Medically reviewed by William Truswell, MD Different types of skin rashes include those caused by allergic reactions, ...

Hives and rashes are two skin conditions that can look fairly similar. Here, experts explain the difference between hives and a rash, plus treatments.

Hives are inflamed patches of skin that result from histamine, a chemical your body produces in response to a physical or ...

Allergic reactions and anaphylaxis occur when a person is sensitive to an allergen. Allergens are substances that cause an immune response ranging from a runny nose to shortness of breath.

Isabelle Lowe had dyed her hair several times in the past and never experienced a reaction, but that all changed when she used an at-home box dye.

Fabric softener and dryer sheets can cause itchy, irritant reactions. "You see rashes in places that are covered by clothing and relative sparing where the clothing is not," says Amy Newburger ...