Medically reviewed by Casey Gallagher, MD Fact checked by Khara Scheppmann Armpit rashes can be caused by allergic reactions, ...

That summer was the last time I felt normal in my skin — then the rashes appeared. It was a few months into my freshman year of high school, I noticed small, red rings forming on my right arm.

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

It can affect the trunk, face, arms, and legs. This type of rash by itself is not considered a true allergy but is often ...

The rash and the itching might be due to an allergic reaction, and so waxing might be the culprit, but it's more likely that your anti-perspirant is to blame. Try switching from an aerosol to an ...

Brown's rash subsided after a few days and was gone by the end of the week. She got her second shot a month later after checking with her doctor. 'COVID arm' is likely a minor allergic reaction ...

Skin experts are warning a chemical found in gel, gel polish and acrylic nails can cause an allergic reaction. Methacrylate chemicals can cause a severe, itchy rash anywhere on the body ...