Two days ago I woke up with a marble size lump under my armpit. The lump is sore, hard, and some white pus has come out of it. Today I also have what feels like the beginnings of a chest cold. I dont know if the two are related, but at the moment I am more concerned about the lump.
Welcome to Chat Doctor .1. The most possible cause in this case is carbuncle / fur uncle - infective cause of hair follicle. 2. Second possible cause are infective cause of abscess formation. And other causes are lymph nodal enlargement, lipomas - fat (soreness and pain are general not seen)3. If you are my patient, after examination I would have sent for an ultrasound lumps to evaluate the nature of lump, and it is extensions (from - to).4. An incision and Chat Doctor. 5. See your GP and get the needful tests / treatment done. Good luck. Hope it helps you. Wish you a good health. Anything to ask ? Do not hesitate. Thank you.