Dec 12, 2024 · Causes range from a heat rash to health conditions like psoriasis. Treatment will depend on the cause. Some armpit rashes can last a few hours and disappear if an irritant is removed. Others...

They’re common in hot, humid weather and usually show up where skin folds, like your armpits. Most of the time, armpit heat rashes go away once your skin cools down.

Itchy armpits occur when you have the urge to scratch the skin under your arms. There are several causes of this symptom, and treatment is available.

The axilla (pl.: axillae or axillas; also known as the armpit, underarm or oxter) is the area on the human body directly under the shoulder joint.

Dec 14, 2025 · Armpit pain can come from injuries, infections, or swollen lymph nodes. To diagnose armpit pain, doctors may use lab tests, physical exams, and imaging studies. Symptoms of armpit …

Apr 3, 2026 · Itchy armpits are a common complaint. Dermatologists explain possible causes of irritated, itching underarms and when to see a doctor.

Apr 6, 2026 · There are many possible causes of unexplained armpit pain, ranging in severity from simple muscle strain to, in rare cases, breast cancer. Read on to find out about some of the issues …

Feb 1, 2026 · Itchy rashes in armpits can stem from contact dermatitis or fungal infections. Treatments vary from OTC creams to prescription medication.

Apr 8, 2023 · It's a pyramidal space that can be found between the upper part of the arm and the side of the chest wall. This space is bounded in front and behind by axillary folds. The lymph nodes, axillary …

Oct 22, 2025 · Itchy armpits? Learn the common causes of armpit rashes, from deodorants to infections, and how to soothe the irritation and prevent it from coming back.