Eczema is a skin condition that makes your skin itchy, dry, and inflamed
Eczema is a long-lasting skin condition where your skin barrier — the outer layer that holds moisture in and keeps irritants out — does not work the way it should. This breakdown lets water escape from your skin and lets irritants and bacteria get in. The result is itching, redness, cracking, and sometimes oozing or crusting.
The itching is often the first sign people notice, and it can be intense enough to keep you awake at night. You may scratch without thinking, which damages the skin further and can lead to infection. The condition is not contagious, and you cannot catch it from someone else or pass it to them.
Eczema usually starts in childhood, but it can appear for the first time in adulthood. Some people have it mildly — a patch of dry skin on their hands in winter. Others have it severely, with flare-ups that cover large areas of their body and interfere with daily life and sleep.
Key Takeaways
- Eczema happens when your skin barrier does not hold moisture and protect against irritants the way it should.
- The main symptoms are intense itching, dry skin, redness, and sometimes cracking or oozing, and they often get worse at night.
- Doctors diagnose eczema by looking at your skin and asking about your symptoms and family history — there is no blood test or skin biopsy needed.
- Eczema flare-ups are triggered by things like soap, detergent, stress, sweat, certain fabrics, and dry air, and these triggers vary from person to person.
- Treatment focuses on keeping your skin moisturized, avoiding triggers, and using topical steroids or other medicines during flare-ups.
The most common type is atopic dermatitis
There are several types of eczema, but atopic dermatitis is by far the most common. "Atopic" refers to a genetic tendency toward allergies and immune system sensitivity. "Dermatitis" means skin inflammation. If someone says they have eczema without specifying a type, they usually mean atopic dermatitis.
Other types include contact dermatitis (triggered by touching a specific substance like poison ivy or nickel), dyshidrotic eczema (small blisters on hands and feet), nummular eczema (coin-shaped patches), and seborrheic dermatitis (usually on the scalp or face). This guide focuses on atopic dermatitis, the type most people encounter.
What eczema looks and feels like
Eczema appears differently depending on your skin tone and how severe your flare-up is. On lighter skin, you may see red or pink patches. On darker skin, the affected areas may look purple, brown, or gray, and the redness may be less obvious. The skin often looks dry and may have small bumps or a rough texture.
During a flare-up, the skin may crack, weep clear fluid, or crust over. The itching can be so intense that you scratch until the skin bleeds, which opens the door to bacterial infection. Even when your skin looks clear, it may still feel tight and uncomfortable.
Eczema most often appears on the face, hands, feet, inner elbows, and behind the knees, though it can show up anywhere. In babies and young children, it frequently starts on the face and scalp. In older children and adults, it often appears on the hands and feet.
How doctors diagnose eczema
Your doctor diagnoses eczema by examining your skin and asking about your symptoms. There is no blood test, skin biopsy, or special imaging needed. Your doctor will ask when the itching started, what makes it better or worse, whether anyone in your family has eczema or allergies, and whether you have asthma or hay fever.
A diagnosis of atopic dermatitis usually requires that you have had itching for at least a year and that the itching started before age 30. Your doctor will also look for signs like dry skin, redness, or cracking, and will ask whether the itching gets worse at night or after bathing.
If your symptoms are unusual or do not fit the typical pattern, your doctor may refer you to a dermatologist — a doctor who specializes in skin conditions — to rule out other possibilities. In some cases, patch testing may be done to check whether you have contact dermatitis (a reaction to a specific substance) in addition to atopic dermatitis.
What triggers eczema flare-ups
A flare-up is a period when your eczema gets suddenly worse. Common triggers include harsh soaps and detergents, hot water, low humidity (especially in winter), stress, sweat, certain fabrics like wool or synthetic materials, fragrances, and irritating lotions or creams. Allergens like pollen, pet dander, or dust mites can also trigger flare-ups in some people.
Your triggers are personal — what bothers one person may not bother another. Keeping track of when your skin gets worse and what you were doing or exposed to beforehand can help you spot your own patterns. Many people find that their eczema improves in summer and worsens in winter, when the air is drier.
Stress is a major trigger for many people, and the relationship works both ways: stress can cause a flare-up, and a flare-up can cause stress. Identifying and managing stress through exercise, sleep, or other coping strategies can help reduce how often flare-ups happen.
How eczema is treated
Treatment has two parts: daily skin care to prevent flare-ups, and medicine to treat flare-ups when they happen. The daily routine involves bathing in lukewarm (not hot) water, using a gentle cleanser without fragrance, and applying a thick moisturizer within a few minutes of bathing while your skin is still damp. This locks in the water your skin just absorbed.
During a flare-up, your doctor may prescribe a topical steroid cream or ointment — a medicine you rub directly onto the affected skin. These reduce inflammation and itching. For mild flare-ups, an over-the-counter hydrocortisone cream may be enough. For more severe cases, your doctor may prescribe a stronger steroid or a non-steroid topical medicine like a calcineurin inhibitor.
If flare-ups are frequent or severe, your doctor may recommend other treatments. These can include phototherapy (controlled exposure to ultraviolet light), oral medications, or newer biologic drugs that target specific parts of the immune system. Your doctor will work with you to find the approach that works best for your situation.
Living with eczema long-term
Eczema is a chronic condition, meaning it lasts a long time, but it is manageable. Many children outgrow it by adulthood, though some continue to have it throughout their lives. Adults who develop eczema for the first time usually have it long-term, though severity can fluctuate.
The goal of treatment is not necessarily to cure eczema — there is no cure — but to control symptoms, reduce how often flare-ups happen, and prevent complications like skin infection. Most people find that once they identify their triggers and establish a good skin care routine, they can keep their eczema under control most of the time.
Eczema can affect quality of life, especially if it is severe or if the itching disrupts sleep. If you find that your eczema is interfering with work, school, or relationships, or if you are having trouble sleeping, tell your doctor. There are strategies and treatments that can help.
Frequently Asked Questions
Can eczema turn into something more serious?
Eczema itself does not turn into another condition, but scratching can break the skin and allow bacteria to cause an infection. Signs of infection include increased warmth, pus, crusting, or swollen lymph nodes. If you think your eczema is infected, see your doctor — infections need treatment with antibiotics.
Is eczema the same as psoriasis?
No. Both cause red, itchy skin, but they are different conditions with different causes and treatments. Eczema is related to a faulty skin barrier and immune sensitivity. Psoriasis is an autoimmune condition where skin cells grow too quickly. A dermatologist can tell them apart by examining your skin.
Can diet affect eczema?
For some people, certain foods can trigger or worsen flare-ups, but this is not true for everyone. Common culprits include dairy, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat. If you suspect a food is triggering your eczema, keep a diary and talk to your doctor before eliminating foods from your diet.
Will my child outgrow eczema?
Many children do outgrow eczema by their teens or early adulthood, especially if it started in infancy. However, some children continue to have it into adulthood. Even if your child outgrows the condition, they may still have sensitive skin and need to be careful with triggers.
Is there a cure for eczema?
There is no cure, but eczema can be controlled with the right skin care routine, trigger avoidance, and medicine when needed. Many people have long periods with no symptoms or only mild symptoms. Your doctor can help you develop a plan that works for your situation.