Ingredients in some vitamin supplements may cause hives or a skin rash. Treatments include antihistamines and topical corticosteroids.

Hives that come back daily for 6 weeks or more are called chronic hives, or chronic urticaria. The condition often has no known cause, but allergies, autoimmune conditions, physical stimuli, and ...

Learn about hives including common triggers, symptoms like itchy welts or swelling, and effective treatments to relieve ...

The most common causes of an itchy scalp are dandruff, lice, psoriasis, or a stress rash. Here's how to determine which may be behind your scratching.

If you've ever self-diagnosed your inflamed, itchy scalp with eczema just to have your dermatologist tell you it's actually psoriasis, you're not alone. The two conditions are extremely similar in ...

Ever had an itch you can't scratch? Maybe it's out of reach, or your hands are full, or you don't want to damage your skin. It can be deeply frustrating. And even though the itch response, or what ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

Endocrine disorders that can cause a sudden onset of warmth and redness include Cushing syndrome, diabetes, and hyperthyroidism. Your endocrine system consists of eight different glands that affect ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...

Rapt Therapeutics said a mid-stage trial of its drug for chronic spontaneous urticaria, a skin condition that causes recurrent, spontaneous hives, showed comparable efficacy and safety to omalizumab, ...