Nipple Discharge | Causes, Concerns & When to See a Doctor Worried about nipple discharge? Learn about the common causes, from hormonal changes to breast infections. Understand when nipple discharge may be a sign of breast cancer and when it's likely benign. This guide covers types of discharge, when to seek medical attention, and preventative steps for breast health. While breast cancer can sometimes cause nipple discharge, it's rarely the only symptom. https://www.americanoncology.com/blogs/link-between-nipple-discharge-and-breast-cancer-signs-to-watch-for