Mastitis

Alternate Terms:
  • Breast Inflammation
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Mastitis Definition by Healthwise:

Mastitis (breast inflammation)

Mastitis is an inflammation of the breast that occurs most commonly in breast-feeding women; it can be related to tissue injury, infection, or both. Breast-feeding mastitis is typically caused by bacteria that enter the breast through a cracked or sore nipple.

Signs of infection may include:

  • Increased pain, swelling, redness, or warmth in an area on a breast.
  • Red streaks extending from a breast.
  • Drainage of pus coming from a breast.
  • Swollen 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 breast-feed or pump breast milk.

Author: Jeannette Curtis
Medical Review: Patrice Burgess, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Last Updated: May 25, 2007

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