There are many reasons for nipple discharge. In this discussion you will learn about the different types of nipple discharge and the causes of each type. You will learn how your doctor diagnoses the cause of your discharge and how it may be treated. Nipple discharge is any kind of fluid that comes out of your nipple. Each of your nipples contains tiny openings through which fluid can pass.
Nipple discharge is usually a symptom of another condition.
The color and consistency of the discharge, as well as whether it comes from one or both breasts, will help the doctor know what is causing it. A clear, straw-colored discharge sometimes develops in early pregnancy. Also, any woman who has had a baby, whether or not she breast-fed her baby, may later have galactorrhea. A discharge containing pus indicates a breast infection. A hard blow to the chest may also cause nipple discharge.