So-called “Disney rash” is a condition known as exercise-induced vasculitis (EIV). You can prevent EIV by staying hydrated and avoiding too much sun exposure. If symptoms occur, wet coverings ...

An armpit rash can be uncomfortable or even painful. Often, the cause is mysterious, but you can treat the conditions at home. Sometimes, however, an armpit rash is severe enough to require a trip ...

It is believed that, along with the calcium oxalate raphides, alkaloids in the sap and mucus of the daffodil may contribute to the rash (see the discussion of alkaloids, below). Unlike cases of ...