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Treating Infection of the Breast Tissue

Mastitis is an infection of the breast tissue that usually affects women who are breastfeeding, most often within the first six weeks after birth. Mastitis is caused by introduction of bacteria from the surface of your skin or baby's mouth through a break in the skin of your nipple or your milk duct opening. Untreated mastitis can result in the formation of an abscess (collection of pus).