Pain On Left Side Of Breast Near Armpit Male. Birth control pills and other methods of contraception that introduce exogenous hormones into the body can cause side breast tenderness and pain. Breast pain is most common in perimenopausal and premenopausal women.
When breast tissue is badly damaged the tissue can just die rather than repair itself. When this happens a lump or multiple lumps can form in the breast. The pain is accompanied by discharge redness and swelling in this case.
The pain is accompanied by discharge redness and swelling in this case.
If the doctor suspects breast cancer it will require further testing such as a mammogram. In rare cases pain under the left armpit that does not go away may be a sign of a cancerous growth including breast cancer. Other factors can cause or contribute to pain in the breast and armpit such as. When breast tissue is badly damaged the tissue can just die rather than repair itself.