Mastitis is an inflammation of the breast that occurs most
commonly in breastfeeding women; it can be related to tissue injury,
infection, or both. Breastfeeding mastitis is typically caused by bacteria
that enter the breast through a cracked or sore nipple.
infection may include:
Increased pain, swelling, redness, or warmth in
an area on a breast.
Red streaks extending from a
Drainage of pus coming from a breast.
lymph nodes in the neck or armpit.
Flu-like symptoms, such as fever
of 101°F (38.5°C) or higher,
chills, and fatigue.
Treatment usually involves antibiotic medicines, keeping
up milk flow, and measures to relieve discomfort. While they are being treated,
most women can safely continue to breastfeed or pump breast milk.
Sarah Marshall, MD - Family Medicine & Adam Husney, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.