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 · Find out how factors like infections and autoimmune diseases can lead to armpit pain. Learn when it's a concern and how to address it effectively.

May 14, 2025 · Why are my armpits so puffy? Dr Merrifield told Tyla that for most people, a puffy armpit is ‘just normal breast tissue or normal body fat distribution’, although it ‘could be a sign of an …

Sep 29, 2025 · The axilla is the area located between your chest and upper arm. It’s also called an armpit or underarm. It contains blood vessels, nerves and lymph nodes.

Dec 27, 2024 · From muscle strains, bacterial and viral infections, and skin rashes, here are 9 possible causes of armpit pain and when to see a doctor.

Jul 21, 2024 · There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer. Learn more about causes of armpit pain in this article.

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 …

Apr 24, 2025 · Armpit pain is often a sign of overexertion or muscle strain. However, it can indicate an underlying condition, such as an infection, lupus, or shingles. Are you experiencing armpit pain? This...

Jun 25, 2025 · The armpit, also known as the axilla, is a pyramid-shaped area located between the shoulder girdle and thorax. It contains several muscles, including the serratus anterior, pectoralis …

Nov 15, 2024 · Armpit pain may stem from irritation, muscle strain, swollen lymph nodes, or even heart-related issues. Learn causes, symptoms, and when to seek care.