hi see if these helps you there just some ideas. many nipple problems are not related to breast cancer but they could indicate a serious underlying condition. always see a doctor if you have nipple discharge. nipple problems including those involving the milk ducts can develop in men as well as women. your nipples can become irritated sore or even cracked due to friction. running and sexual activity are sometimes causes of temporary nipple problems due to vigorous rubbing. there are also medicines prescribed for unrelated conditions that can cause breast swelling and nipple discharge. for example according to its manufacturer janssen the prescription drug motilium which is used to treat nausea can increase prolactin levels. prolactin is a hormone that’s produced by the pituitary gland in order to stimulate breast development and milk production in women. certain birth control pills can also cause nipple problems including discharge. all of this come from healthline. com do hope something here helps you good luck
why do my nipples hurt not pregnant. my nipples just started hurting and i an 45 and that has never happened to me it hurts to touch them but the rest of my breast are ok and don't hurt just my nipples. i can't have anymore children so what is happening?