However, some contagious infections can cause hives. Hives, or urticaria, causes welts on the skin. It is a type of itchy rash. While the rash itself is not contagious, the underlying cause may be.

The FDA approved dupilumab (Dupixent) for chronic spontaneous urticaria (CSU) in patients 12 years and older, the first new ...

The symptoms of drug-induced skin reactions can range from a mild itchy rash to more serious reactions, such as widespread blistering or anaphylaxis. Skin reactions may appear right away after taking ...

Medically reviewed by Corinne Savides Happel, MD A rash around a child's mouth is not usually not due to food allergies. It ...

Skin lesions may hold the key to diagnosing dengue, Zika, chikungunya, and Oropouche fever. Learn how dermatologists can spot ...

The symptoms of heat rash include small clusters of tiny, raised bumps on discolored, irritated skin. A prickly, burning or itchy sensation may also accompany heat rash. Heat rash is also known as ...

The partners overcame an earlier rejection to win a seventh use for Dupixent, though some analysts are skeptical of its sales ...