8 Common Causes of Underarm Skin Irritation
Armpit skin irritation can seriously disrupt your day. It can cause itching, pain, and discomfort. Here are the main reasons why you might experience armpit irritation: 1. Heat irritation A common cause of armpit rashes is heat. When you sweat a lot, especially in hot weather or during intense exercise, sweat can get trapped in the glands and can become clogged. This results in small, itchy bumps in the armpits.