why do my armpits itch?

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www.buoyhealth.com › learn › armpit-itch6 Top Causes of Itchy Armpits | Buoy Health www.buoyhealth.com › learn › armpit-itch CachedContact dermatitis. Pro Tip. A common misconception is that armpit itchy rashes (lumps and bumps) are from a food allergy. It is very rare for food allergies to present as itchy armpit rashes. Folliculitis. Symptoms. Pink or red bumps around hair follicles. Itch or pain. Pus-filled bumps. Folliculitis is inflammation of the hair follicle. It occurs when bacteria (usually staphylococcus aureus) gets into the hair follicle causing inflammation and pus. Ingrown hairs. Dr. Rx. If you suffer from ingrown hairs laser hair removal may be a cure. This will prevent the hair from growing in the follicle and causing the reaction that causes the itchy red bumps. Psoriasis. Symptoms. Itchy red or pink rash. Rash with well-defined border. Scaly rash. Psoriasis is an autoimmune disorder that causes the body to attack its own healthy skin cells.