What do you recommend for armpit pain?

See your dr. Armpit pain can have a variety of causes, and it is difficult to tell without a full history or an exam. It could be an infection of a hair gland (folliculitis) or sweat gland (hydradenitis) that requires antibiotics, a swollen lymph node from another infection, a muscular injury that might respond to stretching, heat packs, and over the counter pain medicine, or something completely different.