Treatments for arm rashes will depend on the underlying cause ... such as the underarms. Atopic dermatitis, also known as eczema, can affect the armpits. It happens when a problem with the skin ...

The first patient was a 40-year-old atopic woman who presented with a 4-year history of a pruritic and vesicular hand dermatitis that had recently spread to involve her arms, legs, hips ...