©2018 WebMD, Inc. All rights reserved. eMedicineHealth does not provide medical advice, diagnosis or treatment. See Additional Information.

Breast Infection
(Mastitis) Topic Guide

Breast Infection (Mastitis) Breast Infection (Mastitis): Breast infection, or mastitis, is a bacterial infection of the breast and nipple caused by bacteria in a nursing infant's mouth. Mastitis causes redness, swelling, and pain in the breast. Treatments include oral antibiotics in most cases.

Breast Infection (Mastitis) Topic Guide - Visuals

Slideshows, Pictures, Images, and Quizzes: