Some causes of underarm rash include infection, allergic reaction, and inflammation. Itchy, inflammatory, bacterial, or fungal rashes in your armpit can be mild or severe, short-lived or chronic.

A syphilis rash can appear anywhere on the body, including your armpit. It's usually not itchy and may look like rough, discolored, reddish-brown bumps or patches. On darker skin, the rash may ...

Typically, armpit rashes aren't dangerous, but they can certainly be uncomfortable and range from itchy to painful. If you're experiencing a persistent rash alongside other symptoms, it's best to ...

The best remedy for itching is the one that addresses the underlying cause of this symptom. Common causes include poison ivy, psoriasis, eczema, insect bites, dry skin, and healing wounds.

Other symptoms of allergy may include irritation, a rash, and itching. Swollen lymph nodes in the armpit can be a sign of common viral infections, such as the flu or mono. They can also occur as a ...