what is itchy tender muscle sore blistered rash by underarm
An armpit rash refers to a change of the underarm skin that affects its appearance color or texture. When you have it, your armpit skin might become red (change color), swollen, bumpy (raised pimple-like), chapped, cracked, scaly, flaky, blistered, spotty, blotchy, pus filled, warm, painful (hurts) or painless.nderarm rash due to due to allergic reaction or contact dermatitis. Allergic reactions to various chemicals such as soap, shaving creams, body lotions, cosmetics, certain synthetic clothing material, fragrances, or detergents used to clean your clothes can cause rashes especially red itchy rashes.