Why Eczema Flares in Winter and When to See an Allergist

2 days ago

4 min read

Eczema often flares in winter because cold outdoor air, dry indoor heat, and hot showers strip moisture from skin that already struggles to hold it. The result is more dryness, itching, cracking, and redness from November through March. Daily moisturizing helps, but flares that keep coming back, disrupt sleep, or don't respond to over-the-counter care deserve an allergist's evaluation.

Main triggers: Low humidity, indoor heating, hot water, wool and heavy fabrics, temperature swings.
Warning signs: Itch that wakes you or your child at night, cracked or oozing skin, flares that keep returning.
What helps: A consistent skin care routine plus a treatment plan built around your specific triggers.
Where to go: Five Towns Allergy in Hewlett, NY. Call 516-569-5700.

Why does eczema get worse in winter?

Eczema, also called atopic dermatitis, weakens the skin's barrier. Healthy skin locks in moisture and keeps irritants out. Skin with eczema loses water faster and lets irritants in more easily. Winter on Long Island makes both problems worse.

The most common winter triggers are:

Cold, dry outdoor air. Low humidity pulls moisture out of the skin.
Indoor heating. Forced-air heat dries the air inside homes, schools, and offices.
Hot showers and baths. Hot water feels good in winter but strips the skin's natural oils.
Wool and heavy fabrics. Scratchy layers rub against sensitive skin and trigger itching.
Sweating under layers. Overheating in coats and blankets can set off the itch-scratch cycle.
Temperature swings. Moving between freezing air outside and warm air inside stresses the skin.

The itch-scratch cycle is what turns dry skin into a flare. Itching leads to scratching, which damages the barrier further and causes more itching. Breaking that cycle early matters, especially for children.

Is it eczema, contact dermatitis, or just dry skin?

These three conditions can look alike in winter, but they have different causes and need different care.

Condition	What it is	Typical signs	Common winter triggers
Dry skin	Temporary loss of moisture in otherwise healthy skin	Rough, flaky, tight skin; mild itch	Low humidity, hot water; usually improves with moisturizer
Eczema (atopic dermatitis)	A chronic condition with a weakened skin barrier, often linked to allergies and asthma	Intense itch, red or darker patches, rough or thickened skin; in kids, often in elbow and knee creases	Dry air, heat, sweat, wool, irritants
Contact dermatitis	A reaction where skin touches an irritant or allergen	Rash limited to the contact area, burning or itching, sometimes blisters	New soaps, detergents, lotions, fragrances, gloves, fabrics

If a rash keeps coming back, spreads, or doesn't improve with moisturizer, it is worth a professional evaluation. An allergist can help figure out whether allergies are part of the picture.

When should you see an allergist for eczema?

See an allergist when eczema is affecting daily life or isn't responding to basic care. Common signs include:

Itching that wakes you or your child up at night
Flares that return every winter, or never fully clear
Skin that cracks, bleeds, oozes, or looks infected
Over-the-counter creams that no longer help
Eczema alongside food allergies, asthma, or hay fever
A baby or young child with eczema who hasn't started common allergenic foods yet

Eczema often travels with other allergic conditions. Many children with eczema also have food allergies, asthma, or seasonal allergies. An allergist looks at the whole picture, not just the skin.

For parents: If your infant has eczema, talk to an allergist before introducing foods like peanut and egg. Timing matters, and an allergist can guide you safely.

How does an allergist treat winter eczema?

Treatment starts with finding what's driving the flares, then building a plan that controls them. At Five Towns Allergy, that typically includes:

A full evaluation. Dr. Braunstein reviews your history, symptoms, and possible triggers.
Allergy testing when appropriate. Skin prick testing can identify environmental or food allergens that may be making eczema worse.
A daily skin care plan. Gentle cleansing, thick moisturizers, and habits that protect the skin barrier.
Prescription treatment for flares. Medicated creams or ointments that calm inflammation and itching.
Advanced options for stubborn eczema. Biologic therapies are available for moderate to severe eczema that doesn't respond to standard treatment.

The goal is fewer flares, better sleep, and comfortable skin all winter long.

Internal link: link "daily skin care plan" to the companion post on winter skin care routines.

Frequently asked questions about winter eczema

Why is my eczema worse in winter? Cold air, low humidity, and indoor heating pull moisture from the skin. Eczema-prone skin already has a weaker barrier, so it dries out and flares more easily.

Can allergies make eczema worse? Yes. For some people, allergens such as dust mites, pet dander, or certain foods can contribute to flares. Allergy testing can help identify them.

Is eczema contagious? No. Eczema is not contagious. You cannot catch it from or pass it to another person.

Will my child outgrow eczema? Many children see improvement as they get older, but some continue to have eczema into adulthood. An allergist can help manage it at every age.

Should I see a dermatologist or an allergist for eczema? Both treat eczema. An allergist is a strong choice when eczema comes with food allergies, asthma, hay fever, or suspected allergic triggers.

Where can I get eczema care near the Five Towns? Five Towns Allergy treats eczema in children and adults at 1705 Broadway, Suite 3, in Hewlett, NY. In addition to the Five Towns, the office serves the surrounding areas of Lynbrook, Valley Stream, Oceanside, the rest of Nassau County and even parts of Queens and Brooklyn.

Get winter eczema under control with Dr. Braunstein

You don't have to wait for spring to feel comfortable in your skin. Dr. Marc Braunstein is board-certified in pediatric and adult allergy and immunology and treats eczema in patients of all ages.

At Five Towns Allergy, you'll find: