Over-the-counter medicine for dyshidrotic eczema: what to know

Dyshidrotic eczema, also called pompholyx, produces small, deep-seated itchy blisters on the sides of fingers, palms, toes, or soles. As the blisters dry, the skin may peel, crack, and become sore. Itchy feet can have other causes, and blisters may also result from friction, allergy, or infection, so a new or unusual pattern should be examined.

Use cool compresses for itch, wash with lukewarm water, and apply a thick fragrance-free emollient after drying. Wear protective gloves for wet work, use breathable footwear, and avoid fragranced soaps, harsh cleaners, and scratching. Do not pop blisters. A pharmacist can advise whether a non-prescription hydrocortisone product is suitable for the site and duration; broken or infected skin needs different advice. Frequent flares may require prescribed topical corticosteroids or another plan.

Seek prompt medical review if blisters become very painful, swollen, hot, or filled with pus, or if you develop fever or spreading redness. Arrange an appointment when the eruption affects work or sleep, keeps returning, involves extensive cracking, or fails to improve with gentle care. A dermatologist may consider treatments such as narrowband UVB phototherapy for persistent disease.

Ask whether the blisters fit dyshidrotic eczema, which triggers to avoid, whether testing is needed, and when a prescription treatment should replace self-care.