A lump in the armpit caused by an allergic reaction will go away after the provoking substance is removed. No treatment is necessary for a lump in the armpit caused by normal breast tissue, and usually no treatment is necessary for a cyst . For a lump in the armpit caused by a malignancy , follow the appropriate cancer treatment recommended by a doctor. Do not try to diagnose lumps without professional help. The medical history will be obtained and a physical examination performed.
Testing depends on what is found during the physical examination.
All Rights Reserved. All rights reserved. The information contained above is intended for general reference purposes only. It is not a substitute for professional medical advice or a medical exam. Always seek the advice of your physician or other qualified health professional before starting any new treatment.