Nipple discharge can be caused by a wide range of conditions, most of which are harmless or easily treated.

Some of the main causes of nipple discharge are described below.

See your GP if you'reunsure of the cause of your discharge or you're embarrassed or worried, especially if the discharge is bloodstained or clear andonly comes from one nipple, or ifyou're a man with nipple discharge.

Content supplied by the NHS Website

Medically Reviewed by a doctor on 25 Nov 2016