Eczema can look deceptively simple from the outside: dry skin, redness, itching, perhaps a few irritated patches.
For the person living with it, the experience can be very different.
The itch may become intense enough to interrupt sleep. Skin may crack, sting in the shower, or burn when moisturizer is applied. A child may scratch until the skin bleeds. An adult may spend months changing soaps, foods, detergents, and skin-care products trying to identify a mysterious “trigger.” Just when the skin finally seems clear, another flare can begin.
This unpredictability is one reason eczema can be so frustrating.
But eczema makes considerably more sense once you understand what is happening beneath the surface.
Healthy skin is not simply a covering. It is a sophisticated protective barrier that keeps water inside the body while helping keep irritants, allergens, microorganisms, and environmental exposures outside. In many forms of eczema, especially atopic dermatitis, that barrier does not function normally. At the same time, the immune system becomes unusually reactive within the skin.
The result is a cycle:
Barrier damage → dryness and irritation → inflammation → itching → scratching → more barrier damage.
Modern eczema treatment is increasingly designed to interrupt this cycle at several points rather than simply trying to make a rash disappear.
This guide explains how eczema develops, why it itches, what can trigger flares, how different types of eczema are distinguished, and how treatments ranging from moisturizers and topical medications to biologic therapies work.
Eczema Is More Than One Condition
One of the first sources of confusion is the word eczema itself.
Eczema is not one single disease. It describes a group of inflammatory skin disorders that can produce itching, dryness, scaling, redness or discoloration, cracking, and sometimes blistering or oozing.
The most common type is atopic dermatitis, and the terms eczema and atopic dermatitis are therefore often used interchangeably. Technically, however, atopic dermatitis is only one member of the eczema family.
Other forms include:
Contact dermatitis. Something touching the skin either directly irritates it or causes an allergic immune reaction. Common examples include reactions to detergents, fragrances, preservatives, metals, disinfectants, or poison ivy.
Dyshidrotic eczema. Intensely itchy, small blisters develop primarily on the hands, fingers, or feet. Heat, sweating, stress, prolonged wet work, and sensitivity to substances such as nickel or cobalt can contribute in susceptible individuals.
Nummular eczema. Round or oval, often intensely itchy patches develop, frequently against a background of very dry skin. The appearance can sometimes be mistaken for ringworm or psoriasis.
Hand eczema. The hands are particularly vulnerable because they encounter water, soap, sanitizer, chemicals, gloves, friction, and occupational exposures repeatedly throughout the day. Atopic dermatitis, allergic contact dermatitis, and irritant contact dermatitis may all contribute.
Stasis dermatitis. Poor venous circulation causes fluid to accumulate in the lower legs, leading to swelling and inflammation of the overlying skin. In this situation, treating only the skin without addressing the underlying venous problem misses an important part of the disease.
Other eczematous disorders exist as well.
This distinction matters because a treatment that is appropriate for atopic dermatitis may not address the underlying cause of another form of eczema.
For the remainder of this guide, much of the discussion focuses on atopic dermatitis, because it is the most common chronic form and the type for which modern eczema therapies have been most extensively developed.
Understanding the Skin Barrier
To understand eczema, it helps to first understand what healthy skin is trying to accomplish.
Imagine the outer layer of the skin as a carefully constructed wall.
Skin cells provide much of the structure, while lipids such as ceramides, cholesterol, and fatty acids help fill the spaces between them. Proteins involved in normal skin-cell development also contribute to the strength and organization of this barrier.
Together, these components form the stratum corneum, the outermost portion of the epidermis.
Its job is remarkably important.
The barrier helps:
- retain water
- maintain skin hydration
- protect against chemicals and irritants
- reduce penetration of allergens
- defend against microorganisms
- tolerate everyday environmental exposure
In atopic dermatitis, this barrier becomes more permeable than it should be. Water escapes more easily through the skin, a phenomenon called transepidermal water loss.
That is one reason eczema-prone skin can become dry so quickly.
But the problem works in both directions.
If water can escape more easily, substances from the environment can also interact more readily with vulnerable skin. Irritants, allergens, microorganisms, and environmental exposures can stimulate inflammation.
Research has identified abnormalities involving barrier proteins, including filaggrin, as well as changes in skin lipids and other components of the stratum corneum. Not every person with eczema has the same abnormalities, however. Atopic dermatitis is not caused by one defective gene or one missing substance. It develops through interactions among genetics, barrier biology, immune function, microorganisms, and the environment.
This leads to one of the most important lessons in eczema care:
Moisturizing is not merely cosmetic.
When a patient with eczema applies an appropriate moisturizer consistently, the goal is not simply to make the skin feel softer. Moisturization helps support a barrier that is biologically impaired.
And that barrier is closely connected to the immune system.
Why Eczema Becomes Inflamed
For many years, eczema was sometimes described as primarily a problem of dry or sensitive skin.
We now know that this explanation is incomplete.
Atopic dermatitis is also an immune-mediated inflammatory disease.
When the skin barrier is compromised, environmental substances can stimulate signals from skin cells and the immune system. In atopic dermatitis, immune activity involving what is commonly called type 2 inflammation becomes particularly important.
Chemical messengers known as cytokines allow immune cells and skin cells to communicate with one another. Cytokines including interleukin-4 and interleukin-13 are important participants in atopic dermatitis.
This inflammation produces visible symptoms, but it can also further weaken the skin barrier.
The process therefore becomes self-reinforcing:
A weak barrier promotes inflammation, and inflammation further weakens the barrier.
This helps explain something many patients have experienced.
A person can moisturize diligently and still have eczema.
Moisturizer addresses an essential part of the disease, but when active inflammation becomes significant, barrier care alone may not be enough. Anti-inflammatory treatment may also be necessary.
The same principle explains why newer medications target particular inflammatory pathways rather than broadly suppressing the entire immune system.
Why Eczema Itches So Much
For many patients, itching is not merely one symptom of eczema.
It is the symptom that dominates the disease.
Eczema-related inflammation can interact with sensory nerves in the skin. Dryness, heat, sweat, friction, and inflammatory mediators can further intensify the sensation.
Then scratching begins.
Scratching provides brief relief because pain and mechanical stimulation temporarily compete with the itch signal. Unfortunately, scratching also damages the epidermis.
That creates the classic itch-scratch cycle:
Inflammation causes itching → itching causes scratching → scratching damages the barrier → barrier damage increases inflammation → inflammation causes more itching.
Repeated scratching can eventually make the skin thicker and more leathery, a process called lichenification.
The cycle often becomes particularly difficult at night.
Sleep disturbance is common in atopic dermatitis, and studies have found associations between greater disease severity, more intense itching, and worse sleep. A 2025 systematic review and meta-analysis estimated that sleep disorders affected approximately 43% of people with atopic dermatitis across the included studies.
This is why successful eczema treatment should not be judged only by how a rash looks.
A meaningful treatment plan should also ask:
Is the patient still itching?
Are they still scratching?
Are they sleeping?
Is the disease interfering with school, work, exercise, relationships, or daily life?
Those questions can reveal disease burden that is easy to underestimate by looking at the skin alone.
What Does Eczema Look Like?
There is no single appearance of eczema.
It can produce:
- dry or rough skin
- intensely itchy patches
- scaling
- cracking
- swelling
- small bumps
- thickened skin
- blisters
- oozing
- crusting
- scratch marks
- changes in skin pigmentation
Appearance also varies with skin tone.
Inflammation that appears bright pink or red on lighter skin may look red-brown, violet, gray, or darker than surrounding skin on darker skin tones. Atopic dermatitis can also leave areas of temporary hyperpigmentation or hypopigmentation after inflammation improves.
Location changes with age as well.
Infants frequently develop eczema on areas such as the cheeks and scalp. As children grow, involvement of the bends of the elbows and knees becomes common. Adults may have involvement of the hands, face, eyelids, neck, flexural areas, or more widespread disease.
This variability is another reason that photographs from the internet are not a reliable substitute for diagnosis.
Psoriasis, fungal infections, scabies, contact dermatitis, cutaneous T-cell lymphoma, and several other conditions can sometimes resemble eczema.
Why Does Eczema Flare?
Patients understandably want to know:
“What is causing my eczema?”
Sometimes there is a clear answer.
Often there is not one single trigger.
Eczema is better understood as a disease in which the skin has a lower threshold for becoming irritated and inflamed. Multiple exposures can push the skin across that threshold.
Common aggravating factors may include:
- dry weather
- heat
- sweating
- friction
- frequent handwashing
- hot water
- harsh soaps
- detergents
- fragrances
- certain cosmetics or skin-care products
- occupational chemicals
- rough fabrics
- stress
- scratching
- skin infection
- allergens in selected patients
A trigger also does not have to be the original cause of the disease.
For example, sweating may aggravate eczema in someone who already has atopic dermatitis. That does not mean sweating caused the underlying disorder.
This distinction can save patients from spending years searching for one hidden culprit that may not exist.
The goal is usually to identify repeatable, clinically meaningful triggers while simultaneously improving the skin barrier and controlling inflammation.
Is Eczema an Allergy?
This is one of the most misunderstood aspects of eczema.
Atopic dermatitis frequently occurs in people who also have allergic conditions such as asthma, allergic rhinitis, or food allergy. These conditions share aspects of immune biology, and some people develop more than one of them.
But that does not mean every eczema flare is an allergic reaction.
Nor does it mean that a person with eczema should automatically undergo large panels of allergy tests.
Blood testing can identify sensitization, meaning the immune system has produced IgE antibodies to a substance. Sensitization is not automatically the same thing as clinical allergy.
A positive test must therefore be interpreted in the context of what actually happens when the patient encounters that substance.
This becomes particularly important with food.
Is Eczema Caused by Food?
Food allergy and eczema can coexist, particularly in younger children with more severe atopic dermatitis.
But indiscriminately removing foods is usually not a good eczema strategy.
The 2023 AAAAI/ACAAI Joint Task Force guideline suggests against routine elimination diets for atopic dermatitis. Broad food avoidance can create nutritional problems and, in certain circumstances, may complicate the management of true food allergy.
Food allergy evaluation becomes more appropriate when the history provides a reason to suspect it, particularly when there are reproducible symptoms after eating a specific food.
Those symptoms might include:
- hives
- swelling
- vomiting
- wheezing
- difficulty breathing
- other immediate allergic symptoms
Selected children with persistent moderate-to-severe eczema may also warrant evaluation by an allergist based on their clinical history.
The key principle is:
Test a clinical question, not simply a long list of foods.
If there is no convincing relationship between a food and symptoms, an isolated positive allergy test does not necessarily prove that eliminating the food will improve eczema.
Could Your Skin-Care Products Be Making Eczema Worse?
Yes.
A person can have atopic dermatitis and contact dermatitis at the same time.
This possibility becomes particularly important when eczema:
- changes its usual pattern
- primarily affects the eyelids, face, hands, or another exposure-prone area
- begins unexpectedly in adulthood
- worsens after particular products
- fails to respond to otherwise appropriate treatment
Fragrances, preservatives, metals, topical medications, hair-care products, cosmetics, adhesives, and occupational substances can all cause allergic contact dermatitis in susceptible individuals.
The diagnostic test used for delayed allergic contact dermatitis is patch testing, which is different from the skin-prick testing commonly associated with immediate allergies.
Expert recommendations suggest considering patch testing in selected patients with treatment-resistant or atypically distributed dermatitis, adult- or adolescent-onset disease, or suspected allergic contact dermatitis.
Sometimes the missing piece in a difficult eczema case is therefore not a stronger medication.
It is identifying something that keeps contacting the skin.
How Eczema Is Diagnosed
There is no single blood test that proves someone has atopic dermatitis.
Diagnosis is primarily clinical.
A healthcare professional evaluates:
- what the rash looks like
- where it occurs
- how long it has been present
- whether it comes and goes
- the degree of itching
- age of onset
- personal and family history
- environmental and occupational exposures
- skin-care products
- response to previous treatments
Additional testing is used when there is a specific question.
Patch testing may help identify allergic contact dermatitis.
Skin-prick or blood allergy testing may be appropriate when immediate allergy is suspected.
Skin scraping or fungal testing may help distinguish eczema from a fungal infection.
Bacterial or viral testing may occasionally be appropriate when infection is suspected.
Skin biopsy is uncommon for straightforward atopic dermatitis but can help when the diagnosis remains uncertain or another condition must be excluded.
The goal is not to order every possible test.
The goal is to determine which question actually needs answering.
Building the Foundation: Everyday Skin-Barrier Care
Prescription treatment works considerably better when daily skin care supports it.
For most patients with atopic dermatitis, moisturizer is the foundation.
Choose a Moisturizer You Will Actually Use
Patients frequently ask which moisturizer is “best.”
There is no universally superior product for every person.
In general, thicker creams and ointments provide stronger occlusion than thin lotions and can be particularly useful for very dry skin. Fragrance-free products are generally preferred for eczema-prone skin.
Ceramides are naturally present in the skin barrier, and ceramide-containing moisturizers are reasonable options. Some studies suggest benefits, although evidence does not establish that every patient needs a ceramide product or that expensive formulations are necessarily superior to simpler moisturizers.
The AAAAI/ACAAI guideline emphasizes a practical principle: the most useful moisturizer is ultimately one the patient can tolerate and use consistently.
Moisturize After Bathing
Water can hydrate the outer skin temporarily, but evaporation afterward can leave the skin dry.
Applying moisturizer while the skin is still slightly damp helps reduce water loss.
This is sometimes summarized as:
Soak, then seal.
Be Gentle With Cleansing
More cleansing is not necessarily better for eczema.
Harsh soaps, fragranced products, scrubbing, and very hot water can worsen barrier disruption.
A practical routine generally favors:
- lukewarm rather than very hot water
- gentle cleansing
- fragrance-free products when possible
- avoiding aggressive scrubbing
- moisturizing promptly afterward
Bathing itself does not need to be feared. Current guidelines conditionally support bathing as part of eczema management when it is paired with appropriate moisturization.
Topical Corticosteroids: Why They Remain So Important
When eczema becomes actively inflamed, moisturizer alone may not adequately control it.
That is where topical corticosteroids often enter treatment.
These medications reduce inflammatory activity within the skin and remain a mainstay of eczema therapy. Current AAD and AAAAI/ACAAI guidelines strongly support their use in appropriate patients.
Topical corticosteroids come in a wide range of potencies.
Choosing one depends on factors including:
- age
- body location
- thickness of the affected skin
- severity of inflammation
- duration of treatment
- previous response
The skin on the eyelids, face, groin, and folds behaves differently from thicker skin on the palms, soles, or other body areas. A medication appropriate for one site may therefore be inappropriate for another.
What About Steroid Side Effects?
Patients often worry about thinning of the skin.
That concern is legitimate, but it requires context.
Problems are more likely with inappropriate potency, excessive quantities, prolonged continuous use, application to sensitive areas, or occlusion when it was not intended.
Used appropriately, topical corticosteroids can be highly effective and are an important tool for controlling inflammation.
Fear of topical steroids can sometimes become so strong that patients undertreat significant eczema, allowing inflammation and scratching to continue.
The better approach is not “steroids are harmless” or “steroids are dangerous.”
It is:
Use the appropriate medication, at the appropriate strength, on the appropriate area, for the appropriate duration.
Steroid-Sparing Topical Medications
Not every area or every patient is best managed with repeated topical corticosteroid treatment.
Several nonsteroidal medications are now available.
Topical Calcineurin Inhibitors
Tacrolimus ointment and pimecrolimus cream reduce immune signaling in the skin without causing corticosteroid-related skin thinning.
That makes them particularly useful in selected patients for areas such as the:
- face
- eyelids
- neck
- skin folds
Burning or stinging can occur when treatment begins, particularly on very inflamed skin, and often becomes less troublesome as the skin improves.
Current guidelines strongly support topical calcineurin inhibitors as an important treatment option for atopic dermatitis.
Crisaborole
Crisaborole is a topical phosphodiesterase-4 inhibitor used for mild-to-moderate atopic dermatitis.
It provides another nonsteroidal approach to reducing inflammation, although application-site burning or stinging can occur.
Topical JAK Inhibition
Ruxolitinib cream inhibits Janus kinase signaling involved in inflammation and is another topical option for selected patients.
Because JAK signaling participates in multiple biological pathways, its prescribing information and patient-specific safety considerations should be reviewed carefully rather than treating it like an ordinary moisturizer.
Newer Nonsteroidal Therapies
Treatment options have continued to expand.
The AAD’s 2025 focused update strongly recommends tapinarof cream and roflumilast cream as topical therapies for atopic dermatitis in adults based on newer evidence. Tapinarof 1% cream is FDA approved for topical treatment of atopic dermatitis in adults and children 2 years of age and older.
The increasing number of nonsteroidal options allows clinicians to individualize therapy according to disease location, severity, age, previous response, tolerability, and patient preference.
Treating Flares Versus Preventing Them
One of the most important changes in eczema management is the recognition that treatment does not always need to stop the moment the skin looks normal.
Some patients repeatedly flare in exactly the same locations.
For these patients, clinicians may use proactive maintenance therapy, applying an appropriate anti-inflammatory medication intermittently to frequently affected areas even after a flare has been controlled.
The objective is not continuous aggressive treatment.
It is to prevent the next flare from fully developing.
The AAAAI/ACAAI guideline recommends proactive treatment with topical corticosteroids or topical calcineurin inhibitors for patients with a relapsing course.
This changes the strategy from:
“Wait until the eczema becomes severe and rescue it.”
to:
“Maintain the barrier, suppress vulnerable areas appropriately, and reduce the frequency of major flares.”
For chronic eczema, that is often a much more useful way to think.
Wet Wrap Therapy
During significant flares, clinicians sometimes recommend wet wrap therapy.
Typically, prescribed topical treatment or moisturizer is applied to the skin, followed by a damp layer of clothing or dressing and then a dry layer.
Wet wraps can:
- increase hydration
- reduce scratching
- cool irritated skin
- enhance penetration of topical therapy
Because occlusion can substantially increase the absorption and potency of topical medications, especially corticosteroids, medicated wet wraps should be used under appropriate professional guidance.
AAD guidelines conditionally recommend wet wrap therapy in selected patients.
Bleach Baths: Useful for Everyone?
No.
Dilute bleach baths have sometimes been recommended for patients with eczema who experience recurrent bacterial colonization or infection.
The evidence does not support treating them as a universal eczema remedy.
The AAAAI/ACAAI guideline suggests bleach baths as an adjunct for selected patients with moderate-to-severe atopic dermatitis, while suggesting against them for mild disease.
Concentration matters. Household bleach should never be applied directly to eczema.
Anyone considering bleach baths should receive clear instructions from a healthcare professional regarding the product, dilution, frequency, and whether the approach is appropriate for their particular situation.
When Eczema Becomes Infected
The skin barrier is part of the body’s defense against microorganisms.
When eczema causes cracks and scratching creates additional openings, infection becomes easier.
Bacterial infection may produce:
- increasing pain or tenderness
- pus
- rapidly worsening inflammation
- honey- or yellow-colored crusting
- spreading redness
- fever
Atopic dermatitis is commonly associated with colonization by Staphylococcus aureus, but the presence of bacteria on the skin does not mean every eczema flare requires an antibiotic.
Current guidelines recommend against routine topical antimicrobial treatment for uninfected atopic dermatitis.
Antibiotics should address a genuine bacterial infection rather than simply inflammation.
Eczema Herpeticum
One infection deserves special attention.
The herpes simplex virus can occasionally spread extensively through eczema-damaged skin, producing eczema herpeticum.
Patients may develop clusters of painful blisters or erosions along with fever, fatigue, or swollen lymph nodes. The condition can become serious and requires prompt medical treatment with antiviral medication.
Rapidly spreading painful blisters, particularly with fever or involvement near the eyes, should not be managed as an ordinary eczema flare.
Phototherapy
When topical treatment is insufficient or disease involves large areas of the body, phototherapy may be considered.
This is controlled medical exposure to specific wavelengths of ultraviolet light, commonly narrowband UVB.
Phototherapy can reduce skin inflammation without requiring a systemic medication, but treatment usually requires repeated visits over weeks or months.
It should not be confused with tanning.
Tanning beds and unmonitored sun exposure are not substitutes for medical phototherapy and expose the skin to unnecessary ultraviolet damage.
AAD guidelines conditionally recommend phototherapy for appropriate patients with atopic dermatitis.
Biologic Therapy: Targeting Specific Immune Signals
Understanding the immune biology of eczema has transformed treatment for moderate-to-severe disease.
Instead of suppressing the immune system broadly, biologic medications can target specific signaling pathways involved in atopic inflammation.
Dupilumab, for example, blocks signaling involving interleukin-4 and interleukin-13.
Other biologic therapies target related pathways or cytokines, including:
- tralokinumab
- lebrikizumab
- nemolizumab
These treatments have substantially expanded options for patients whose eczema is not adequately controlled with topical therapy.
The AAD strongly recommends several biologic therapies for appropriate moderate-to-severe disease, with its 2025 focused update adding strong recommendations for lebrikizumab and nemolizumab with concomitant topical therapy in adults.
These medications do not simply “moisturize the skin from within.”
They alter specific inflammatory signals contributing to disease activity.
That distinction helps explain why patients with severe inflammatory eczema can experience improvement not only in the visible rash but also in itching and quality of life.
Oral JAK Inhibitors
Another major development has been the use of oral Janus kinase inhibitors, or JAK inhibitors.
JAK proteins help transmit signals from certain cytokine receptors into cells. Blocking these pathways can reduce inflammatory signaling rapidly.
Examples used for atopic dermatitis include upadacitinib and abrocitinib in appropriate patients.
These medications can be highly effective, but systemic JAK inhibition has important safety considerations and requires careful patient selection, medication review, laboratory assessment when appropriate, and ongoing clinical monitoring.
The decision between a biologic, JAK inhibitor, phototherapy, or another systemic approach is therefore individualized.
The question is not simply:
“Which drug is strongest?”
It is:
“Which therapy provides the most appropriate balance of efficacy, safety, convenience, monitoring, medical history, and patient preference for this particular person?”
Why Oral Steroids Are Usually Not the Long-Term Answer
Oral corticosteroids can suppress eczema quickly.
That immediate improvement can make them seem like an ideal treatment.
The problem is what happens afterward.
Disease may rebound after the medication is discontinued, while repeated or prolonged systemic corticosteroid exposure carries substantial risks.
For these reasons, current AAD and AAAAI/ACAAI guidance recommends against routine systemic corticosteroid treatment for atopic dermatitis.
Modern long-term management instead aims for sustainable disease control using barrier care, appropriate topical treatment, and targeted systemic therapies when needed.
Customized and Compounded Dermatologic Therapy
Most patients with eczema should begin with commercially available treatments supported by clinical guidelines.
There are situations, however, in which a prescriber and pharmacist may determine that a commercially available product does not appropriately meet an individual patient’s needs.
Compounding allows a medication to be prepared for a specific patient pursuant to an individualized prescription.
Depending on the clinical situation and applicable compounding requirements, customization may involve factors such as:
- dosage form
- vehicle or base
- concentration when clinically appropriate
- removal of a problematic inactive ingredient
- combining compatible ingredients when medically appropriate
- preparing a formulation suited to a particular body site or patient need
The vehicle deserves special attention in dermatology.
A medication does not exist independently of its base. An ointment, cream, lotion, solution, gel, or other vehicle can affect occlusion, spreadability, skin feel, adherence, and how well a patient tolerates treatment.
A greasy ointment may be excellent for very dry, thickened skin but unacceptable to a patient who must apply treatment to a large area before work. A cream may be easier to use but provide less occlusion. A formulation that burns badly on compromised skin may result in poor adherence regardless of how appropriate its active ingredient appears on paper.
Compounding is therefore not inherently “better” than an FDA-approved commercial product, and it should not be used merely to make a different version of a medication that already appropriately meets the patient’s needs.
Its value is individualization when there is a legitimate clinical need.
Ion Integrative Pharmacy works with patients and prescribers when customized dermatologic formulations are clinically appropriate, with attention to ingredient selection, dosage form, patient tolerability, and practical use.
Integrative Perspective
Eczema illustrates why whole-person care can be valuable without abandoning evidence-based medicine.
Skin inflammation does not exist in isolation from sleep, stress, environment, nutrition, behavior, and daily routines.
At the same time, “integrative” should not mean attributing every eczema flare to toxins, gut imbalance, food intolerance, or vitamin deficiency without evidence.
The useful approach is to distinguish factors that are well established from those that remain under investigation.
Nutrition
There is no universal “eczema diet.”
For patients without a documented food allergy or reproducible food-related symptoms, routine restrictive diets are generally not recommended.
A nutritionally adequate dietary pattern containing vegetables, fruits, protein sources, fiber-rich foods, and appropriate fats supports general health, but no single dietary pattern has been proven to cure atopic dermatitis.
This matters because aggressive elimination diets can create consequences of their own, particularly in children.
If a specific food repeatedly causes immediate allergic symptoms, that is a different question and warrants appropriate allergy evaluation.
Vitamin D
Vitamin D has attracted considerable research interest in atopic dermatitis.
A 2024 systematic review and meta-analysis of 11 randomized trials involving 686 participants found an improvement in eczema severity with vitamin D supplementation, but the studies were heterogeneous and the authors emphasized the need for larger and longer trials.
This is promising evidence, not proof that everyone with eczema should take high-dose vitamin D.
Vitamin D supplementation makes the most sense when considered in the context of an individual’s nutritional intake, risk of deficiency, laboratory findings when indicated, age, medical history, and total vitamin D exposure.
Excessive vitamin D can be harmful.
Probiotics and the Microbiome
The relationship among the intestinal microbiome, skin microbiome, immune development, and atopic disease is an active area of research.
Some studies of probiotics or related interventions have reported improvement in eczema severity, particularly in certain pediatric populations. Other studies have been inconsistent, and the products, strains, doses, populations, and treatment durations vary considerably.
A 2023 systematic review evaluating nutritional supplements concluded that overall evidence was too weak to support any single supplement intervention as a broadly reliable eczema treatment.
Research should continue.
For now, probiotics should not replace established eczema therapy.
Stress
Patients sometimes notice eczema worsening during periods of emotional stress.
That does not mean eczema is “psychological.”
Stress can influence immune signaling, sleep, scratching behavior, autonomic activity, and skin-barrier function. Meanwhile, eczema itself creates stress.
The relationship can therefore run in both directions.
Stress-reduction strategies may be useful adjuncts for some patients, particularly when scratching becomes habitual or stress-associated.
These might include:
- regular physical activity when tolerated
- mindfulness practices
- relaxation techniques
- behavioral approaches to scratching
- adequate recovery time
- addressing anxiety or emotional distress when present
The objective is not to tell someone to “stress less.”
It is to recognize that chronic inflammatory disease and psychological well-being interact.
Sleep
Sleep deserves considerably more attention in eczema care.
Itching interrupts sleep, but poor sleep may also amplify stress, pain perception, inflammatory physiology, and the ability to resist scratching.
Objective studies have demonstrated poorer sleep efficiency and greater nighttime wakefulness in people with atopic dermatitis, particularly with more severe disease.
If eczema repeatedly wakes someone at night, that should be treated as evidence that disease control is inadequate, not simply as an inconvenience.
Improving the underlying eczema is usually more important than simply sedating the patient.
Exercise and Sweat
Exercise has substantial overall health benefits and generally should not be avoided simply because someone has eczema.
Sweat, heat, and friction can nevertheless trigger itching in some patients.
Practical adaptations can include:
- breathable clothing
- avoiding excessive overheating
- showering after heavy sweating
- changing out of wet clothing
- moisturizing afterward
- reducing friction over active areas
The goal is adaptation, not unnecessary restriction.
Environmental Exposure
Climate matters.
Cold, dry air can increase water loss from the skin. Heat and sweating may increase itching. Frequent exposure to detergents, solvents, disinfectants, or water can damage the barrier.
Occupational history can therefore be extremely important, especially with hand eczema.
Healthcare workers, hairdressers, cleaners, food-service workers, mechanics, construction workers, and others with repeated wet work or chemical exposure may require not only medication but also a practical barrier-protection strategy.
What About “Natural” Eczema Treatments?
Natural does not automatically mean gentle.
Essential oils, botanical extracts, fragranced plant products, and homemade remedies can irritate eczema or cause allergic contact dermatitis.
Even substances that are safe on normal skin may sting significantly when applied to a damaged barrier.
Patients interested in complementary products should consider three questions:
- Is there evidence that it helps?
- Could it irritate or sensitize already vulnerable skin?
- Could it interfere with treatment that is known to work?
A treatment does not need to be synthetic to cause dermatitis, and it does not need to be natural to be safe.
What matters is evidence, formulation, dose, individual tolerance, and appropriate use.
Living With Eczema: A Practical Long-Term Strategy
The most successful eczema plans usually contain two different strategies.
The Everyday Plan
This is what you do when the skin is doing well.
It may include:
- gentle bathing
- consistent moisturizer
- fragrance avoidance if needed
- protection from known irritants
- proactive treatment of repeatedly affected areas when prescribed
- attention to occupational exposures
- maintaining nails to reduce scratching injury
The Flare Plan
This answers a different question:
What do I do when eczema starts coming back?
A useful flare plan identifies:
- which medication to start
- where to apply it
- how often to use it
- how long to use it
- what moisturizer to continue
- when to contact the prescriber
- what signs suggest infection
- what to do if the plan fails
Patients should not have to reinvent their eczema treatment every time a flare occurs.
A clear action plan turns eczema from an unpredictable emergency into a condition that can often be recognized and treated earlier.
When Should You See a Healthcare Professional?
Medical evaluation is appropriate when:
- eczema is persistent or worsening
- itching disrupts sleep
- the diagnosis is uncertain
- over-the-counter treatment is not controlling symptoms
- large areas of the body are involved
- the face, eyelids, hands, genitals, or other sensitive areas are significantly affected
- eczema repeatedly becomes infected
- treatment causes significant burning or irritation
- you suspect a medication or skin-care product is causing the rash
- you are considering major dietary restriction
- a child has moderate-to-severe persistent eczema
- eczema substantially affects quality of life
Seek prompt medical attention for rapidly worsening painful skin, fever, spreading redness, significant pus or drainage, or suspected infection.
Painful clustered blisters or erosions accompanied by fever or illness can indicate eczema herpeticum and require urgent medical evaluation.
Frequently Asked Questions About Eczema
Is eczema contagious?
No.
Atopic dermatitis and the common noninfectious forms of eczema cannot be passed from one person to another.
An infection developing on top of eczema can sometimes be contagious, depending on the microorganism involved, but eczema itself is not.
Can eczema be cured?
Atopic dermatitis is a chronic inflammatory condition with periods of improvement and recurrence.
Some children experience substantial improvement as they grow older. Others continue to have eczema into adulthood, and some people first develop it as adults.
Modern treatment can often achieve excellent disease control even when the underlying tendency remains.
Why does my eczema keep coming back in the same place?
Certain areas may remain biologically prone to inflammation even after they appear normal.
That is why clinicians sometimes prescribe proactive intermittent therapy to frequently recurring areas rather than waiting for a full flare.
Is eczema an autoimmune disease?
Atopic dermatitis is better described as an immune-mediated inflammatory disease rather than a classic autoimmune disease.
Its biology involves abnormal immune signaling, barrier dysfunction, genetics, microorganisms, and environmental interactions.
Should I shower every day?
Many people with eczema can bathe or shower regularly.
Technique matters more than simply avoiding water.
Use comfortable lukewarm water, avoid harsh cleansing and aggressive scrubbing, and apply moisturizer afterward.
Is an ointment better than a cream?
Not always, but ointments are generally more occlusive and can be particularly useful for very dry skin.
Creams may be easier or more comfortable to use in some areas.
The best vehicle depends on the medication, body site, skin condition, lifestyle, and patient preference.
Are topical steroids dangerous?
Topical corticosteroids can cause adverse effects when used inappropriately, particularly when high-potency products are used excessively or on sensitive skin.
They also remain among the most effective and well-established eczema treatments.
The goal is appropriate use, not indiscriminate avoidance.
Can eczema become resistant to steroids?
If a previously effective treatment seems to stop working, several explanations are possible.
The disease may have become more severe, the medication may be too weak for the affected site, application may be insufficient, contact dermatitis may have developed, infection may be present, or the diagnosis may need reconsideration.
Simply assuming “steroid resistance” can miss these possibilities.
Do I need allergy testing?
Not automatically.
Allergy testing is most useful when the history raises a specific clinical question.
Patch testing may be appropriate when allergic contact dermatitis is suspected. Food allergy testing may be appropriate in selected circumstances, particularly when reproducible allergic symptoms occur.
Broad screening without a clinical rationale can produce confusing results.
Should I avoid dairy, gluten, eggs, or other foods?
Not simply because you have eczema.
Eliminating foods without evidence that they are causing a problem may provide no benefit and can create nutritional or allergy-related concerns.
If a particular food repeatedly causes symptoms, discuss appropriate evaluation with your healthcare provider.
Do probiotics treat eczema?
Research is ongoing.
Some studies suggest possible benefit in selected populations, but results vary substantially by probiotic strain, dose, age, and study design. There is currently insufficient evidence to consider probiotics a universal eczema treatment.
Can stress cause eczema?
Stress can aggravate eczema in some people, but it is not accurate to reduce eczema to a psychological problem.
Atopic dermatitis has measurable abnormalities involving the skin barrier and immune system.
Stress is better viewed as one factor that can influence disease activity.
Why is my eczema worse at night?
Several factors may contribute, including changes in skin temperature, dryness, inflammatory and circadian biology, reduced distraction from itching, and the tendency to scratch during sleep.
Nighttime itching that repeatedly disrupts sleep is an important sign of disease burden and should be discussed with your healthcare provider.
Can eczema leave dark spots?
Yes.
Inflammation can cause post-inflammatory hyperpigmentation, particularly in darker skin tones. Some patients instead develop temporary areas that appear lighter.
Treating active inflammation and preventing repeated scratching helps reduce ongoing pigment changes. Pigmentation often takes longer to normalize than the eczema itself.
Why does moisturizer sometimes burn?
Severely inflamed or cracked skin has an impaired barrier, so ingredients that would normally be tolerated may sting.
Certain preservatives, fragrances, acids, or other ingredients can also cause irritation or allergy.
Persistent burning deserves attention, particularly if the skin becomes more inflamed after application.
Can eczema become infected from scratching?
Yes.
Scratching damages the barrier and creates openings through which microorganisms can enter.
Signs such as increasing pain, warmth, spreading redness, pus, honey-colored crusting, or fever should prompt medical evaluation.
When is eczema severe enough for a biologic medication?
There is no single percentage of body surface area that answers this for every patient.
Clinicians consider the extent and location of disease, severity of itching, sleep disruption, quality of life, previous treatment response, and whether appropriate topical therapy has adequately controlled the condition.
A small amount of eczema in a highly sensitive area can sometimes have a disproportionately large effect on daily life.
The Bigger Picture
The most important change in how we understand eczema is that it is no longer viewed simply as dry skin that occasionally becomes inflamed.
Atopic dermatitis sits at the intersection of skin-barrier dysfunction, immune signaling, itching, environmental exposure, microorganisms, genetics, and behavior.
That explains why no single strategy works for everyone.
Moisturizers repair and support the barrier.
Topical medications control local inflammation.
Trigger management reduces unnecessary irritation.
Proactive therapy helps prevent recurrence.
Phototherapy can treat more extensive disease.
Biologics and JAK inhibitors can target inflammatory pathways when topical treatment is not enough.
And individualized formulations may have a role when a patient’s specific clinical needs cannot appropriately be met with available commercial products.
Good eczema care therefore asks more than:
“How do we make this rash disappear?”
It asks:
Why is this patient’s skin continuing to become inflamed, what is perpetuating the cycle, and what combination of barrier care, inflammation control, trigger management, and individualized treatment will allow the skin to remain well?
That is the difference between repeatedly chasing flares and building long-term disease control.
How Ion Integrative Pharmacy Can Help
Managing eczema often requires more than simply filling a prescription.
Patients may need help understanding:
- how and where to apply a topical medication
- the difference between a cream and an ointment
- which medication is intended for a flare and which is intended for maintenance
- how much medication to use
- how topical therapies fit with moisturizers
- what side effects deserve attention
- how to simplify a complicated skin-care regimen
For patients whose prescribers determine that customized therapy is clinically appropriate, a compounding pharmacist can also help evaluate formulation considerations such as dosage form, vehicle, ingredients, and practical application.
At Ion Integrative Pharmacy, our goal is to help patients understand not only what they are using, but why they are using it.
If you have questions about a prescribed dermatologic medication or customized compounded therapy, speak with your healthcare provider or contact our pharmacy team.
Personalized Medicine. Integrative Care.
We’re here for you.
Medical Disclaimer
This article is intended for educational and informational purposes only and does not constitute medical advice. It is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Eczema can have different causes and may resemble other skin conditions, so diagnosis and treatment should be individualized by a qualified healthcare professional. Do not start, stop, or change any medication or treatment plan without consulting your prescriber. Compounded medications require a valid patient-specific prescription and are not reviewed or approved by the FDA for safety, effectiveness, or manufacturing quality.
References & Further Reading
- American Academy of Dermatology. Atopic dermatitis clinical guidelines. Updated through the 2025 focused update and 2026 pediatric guideline. Accessed September 15, 2026.
- Chu DK, Schneider L, Asiniwasis RN, et al. Atopic dermatitis (eczema) guidelines: 2023 American Academy of Allergy, Asthma and Immunology/American College of Allergy, Asthma and Immunology Joint Task Force on Practice Parameters GRADE- and Institute of Medicine-based recommendations. Ann Allergy Asthma Immunol. 2024;132(3):274-312.
- American Academy of Dermatology. Eczema: Types and treatment. Accessed September 15, 2026.
- American Academy of Dermatology. Atopic dermatitis: Diagnosis and treatment. Accessed September 15, 2026.
- Stefanovic N, Irvine AD. Filaggrin and beyond: New insights into the skin barrier in atopic dermatitis and allergic diseases, from genetics to therapeutic perspectives. Ann Allergy Asthma Immunol. 2024;132(2):187-195. doi:10.1016/j.anai.2023.09.009.
- Schmuth M, Eckmann S, Moosbrugger-Martinz V, Ortner-Tobider D, Blunder S, Trafoier T, et al. Skin barrier in atopic dermatitis. J Invest Dermatol. 2024;144(5):989-1000.e1. doi:10.1016/j.jid.2024.03.006.
- Nugroho WT, Sawitri, Astindari. The efficacy of moisturizers containing ceramide compared with other moisturizers in the management of atopic dermatitis: A systematic literature review and meta-analysis. Indian J Dermatol. 2023;68(1):53-58. doi:10.4103/ijd.ijd_991_22.
- Chen JK, Jacob SE, Nedorost ST, et al. A pragmatic approach to patch testing atopic dermatitis patients: Clinical recommendations based on expert consensus opinion. Dermatitis. 2016;27(4):186-192. doi:10.1097/DER.0000000000000208.
- Brar KK. Food allergy evaluation for dermatologic disorders. Immunol Allergy Clin North Am. 2021;41(3):517-526. doi:10.1016/j.iac.2021.04.010.
- Ramírez-Marín HA, Singh AM, Ong PY, Silverberg JI. Food allergy testing in atopic dermatitis. JAAD Int. 2022;9:50-56. doi:10.1016/j.jdin.2022.08.004.
- Jeon C, Yan D, Nakamura M, et al. Frequency and management of sleep disturbance in adults with atopic dermatitis: A systematic review. Dermatol Ther (Heidelb). 2017;7(3):349-364. doi:10.1007/s13555-017-0192-3.
- Guo M, Su J, Zheng S, Chen B. Objective sleep in atopic dermatitis: A meta-analysis. Dermatitis. 2023;34(2):145-150. doi:10.1089/derm.2022.29005.mgu.
- Zhang N, Chi H, Jin Q, et al. Prevalence of sleep disorders in atopic dermatitis: A systematic review and meta-analysis. Arch Dermatol Res. 2025;317(1):668. doi:10.1007/s00403-025-04176-0.
- Nielsen AY, Høj S, Thomsen SF, Meteran H. Vitamin D supplementation for treating atopic dermatitis in children and adults: A systematic review and meta-analysis. Nutrients. 2024;16(23):4128. doi:10.3390/nu16234128.
- Weber I, Woolhiser E, Keime N, Wasvary M, Adelman MJ, Sivesind TE, Dellavalle RP. Clinical efficacy of nutritional supplements in atopic dermatitis: Systematic review. JMIR Dermatol. 2023;6:e40857. doi:10.2196/40857.
- U.S. Food and Drug Administration. VTAMA (tapinarof) cream, 1%: Supplemental approval for atopic dermatitis in adults and pediatric patients 2 years of age and older. 2024.
- U.S. Food and Drug Administration. NEMLUVIO (nemolizumab-ilto): Integrated review. Accessed September 15, 2026.
- American Academy of Dermatology. Atopic dermatitis: Signs, symptoms, and complications. Accessed September 15, 2026.
- American Academy of Dermatology. Eczema herpeticum and cold sores. Accessed September 15, 2026.
- American Academy of Dermatology. Dyshidrotic eczema: Overview, causes, and treatment. Accessed September 15, 2026.