Medically reviewed by Casey Gallagher, MD Armpit rashes often develop due to allergic reactions, infections, and chronic ...

Candida die-off occurs when someone experiences new or worsening symptoms after receiving treatment for candidemia, which refers to a Candida infection in the bloodstream. Symptoms may include ...

Other causes of an armpit rash include a yeast infection, psoriasis, or seborrheic dermatitis. Rashes are pesky patches of irritated skin that can affect any part of your body, including your armpits.