There are numerous potential causes for red spots to form on the ... and oral or injectable medications. A drug rash happens when your body has an allergic reaction to a medication.

Medically reviewed by Casey Gallagher, MD Armpit rashes often develop due to allergic reactions, infections, and chronic conditions. Rashes are common under the arms because the skinfold creates a ...

An exanthem is any eruptive skin rash that may be associated with fever or other systemic symptoms. Causes include infectious pathogens, medication reactions ... virus is a bright-red morbilliform ...

Poison oak rash is an allergic reaction to the leaves or stems of the western poison oak plant (Toxicodendron diversilobum). Home remedies and medical treatments can help manage symptoms.

An armpit rash is often caused by irritation from sweat, friction, soap, or dryness. It could also be an allergic reaction to fragrances ... the armpit results in a red, inflamed rash, caused ...

Hives are a type of rash that results from an allergic reaction, insect bite, infection, and more. You can identify hives by pressing down on the bump — if it turns white, it's a hive.

Skin reactions ... or a rash is an allergic reaction. The skin can react to various allergens, including foods, medications and environmental factors. Hives may not always look red on darker ...

The cause of rashes can vary, spanning allergic reactions, infections, autoimmune diseases and environmental irritants.