Medically reviewed by Susan Bard, MD An itchy, blister rash can be caused by an allergic reaction; an autoimmune disorder; a ...

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 ...

"Having a big red splotch on your arm for a couple of days may not be fun, but the reality is there's no need to panic and no reason not to get your second shot." Brown's rash subsided after a few ...

Peanuts, gluten, pollen, bees… those are usually the first words that pop into people's heads when they think of allergies.