OverviewAbnormal nipple discharge may be described as any discharge not associated with lactation. The nature of the discharge may range in color, consistency and composition, and occur in one or both breasts.
Update Date 11/16/2014
Updated by: Cynthia D. White, MD, Fellow American College of Obstetricians and Gynecologists, Group Health Cooperative, Bellevue, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.