O91.2: Nonpurulent mastitis associated with childbirth

Nonpurulent mastitis associated with childbirth is a medical condition that affects the breast tissue in women who recently gave birth or are breastfeeding. It primarily occurs when milk buildup in the breast — a common occurrence during breastfeeding — isn't properly expelled, leading to inflammation but not infection. It's characterized by symptoms such as pain, swelling, warmth, and redness in the affected breast. Despite the discomfort, the milk from the affected breast is usually safe for the infant and breastfeeding should not be discontinued. The primary system affected by nonpurulent mastitis is the lactational or mammary system, which is part of the female reproductive system. The condition generally improves with time and appropriate care, such as warm compresses and massage to help clear the milk ducts.