Nipple discharge refers to any fluid that comes from the nipple, which can occur in both men and women. This discharge can vary in colour, consistency, and odour, and may be clear, milky, yellow, or bloody. Depending on the type, the cause of the discharge should be considered. For example, if milk is discharged, it is normal during pregnancy or breastfeeding. However, if it is unusual, further tests should be done to determine the causes of nipple discharge. Watch Dr. Keerthi K. of Kauvery Hospital, one of the best Breast Surgeons in Alwarpet, Chennai explain the significance of different types of nipple discharge and what steps to take next.