Hives and rashes both affect how your skin looks and feels. Hives (urticaria) are outbreaks of discolored bumps. They’re caused by allergies or allergy-like skin reactions to irritants.

Perioral dermatitis is a rash that appears as clusters of inflamed skin and small raised bumps around the mouth and nose. The ...

The most common allergy rashes include atopic dermatitis (eczema), allergic contact dermatitis, and hives. Common symptoms include a red, itchy, and swollen rash and blisters that ooze and crust.

"While it is not a true allergy, cold urticaria is often referred to in everyday language as an allergic reaction to cold. "It is a rare condition that results in rashes or hives." ...

Some of the rashes that dermatologists see most often include contact dermatitis, eczema, hives, rosacea and psoriasis, Dr. Shari Lipner, associate professor of clinical dermatology at the Weill ...