Advertisement

What skin disorder is causing red, swollen, tender bumps in my armpits?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
A red, swollen, tender bump under your arm may be a cyst. A cyst is a pouch of tissue that may fill with fluid or pus. Cysts can form as a result of infection or clogged pores. Sometimes shaving the underarms or using antiperspirants can produce cysts. A tender lump in the armpit could also be an abscess, which is a mass under the skin filled with pus that usually causes pain and swelling. A lump under the armpit could be a symptom of a more serious condition, so it if persists, see a doctor.

Continue Learning about Skin Disorders

Ask the Experts: Hereditary Angioedema Prevention
Ask the Experts: Hereditary Angioedema Prevention
Hereditary angioedema (HAE) is a rare genetic condition characterized by episodes of severe swelling. In this video, Dr. Mehmet Oz discusses the tellt...
Read More
What is a seborrheic keratosis, or SK?
Anthony L. Komaroff, MDAnthony L. Komaroff, MD
These growths on the skin can be unsightly and get irritated and bleed, but seborrheic keratoses...
More Answers
6 Things That Can Worsen Atopic Dermatitis
6 Things That Can Worsen Atopic Dermatitis6 Things That Can Worsen Atopic Dermatitis6 Things That Can Worsen Atopic Dermatitis6 Things That Can Worsen Atopic Dermatitis
Dry temperatures, chemicals and other atopic dermatitis triggers to avoid.
Start Slideshow
How Is Rosacea Related to Digestive Health?
How Is Rosacea Related to Digestive Health?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.