Mar 20, · Breast pain can be described as mastalgia, mammalgia or mastodynia. In the majority of cases, breast pain is not a sign of breast cancer. Breast pain typically impacts the upper, external area of both breasts, though pain can infect the arms. Breast pain is most common in perimenopausal and premenopausal women. Infections in the breast (mastitis), hand, arm, neck, and parts of the chest and upper abdomen may also drain to the lymph nodes in the axilla, causing pain and swelling. 2 Autoimmune disease: Conditions such as rheumatoid arthritis and lupus may lead to enlarged painful lymph nodes in the armpit. 3 .
Nov 08, · I have been having pain across the top of my left breast and some times down the left side of the left breast. The top of my left arm (shoulder) is sore too. I have large breasts and I am 53 years and age. I sometimes have pain arcoss my right breast and I have noticed when I am in a cooler environment, I have a bit of pain. ihave pain under my right breast and radiates down my right arm and on the right side if my neck? Dr. Thomas Mcgowan answered Specializes in Family Medicine Pain: Many possibilities but the common two include some type of muscle aggravation or a pinched nerve.