I have a lump under my armpit right on the outside of breast. It hurts when I touch it and its actually making my whole right side of my rib cage hurt. Im 18 years old, and Im probably going to see a doctor today, but I was wondering what it could be?
Welcome to Chat Doctor .1. It could be carbuncle or fur uncle causes due to the hair follicle infective / inflammatory cause, with pus discharge and pain on touch.2. Abscess also causes pain on touch.3. What I would recommend is do not shave axillary area for some time, use trimmer instead, as after shave lotions do cause irritable cause and does not heal.4.Meanwhile you have to see your GP and get a course of antibiotics (which generally given depending on the examination findings)5.Finally, Lymph nodes are seen after any systemic infections / inflammations. Hope it helps you. Wish you a good health. Anything to ask ? Do not hesitate. Thank you.