Inflammation of the breast parenchyma that is frequently seen in nursing mothers two to four weeks postpartum.- Incidence: up to 10% of nursing mothers (particularly 2-4 weeks postpartum)

Etiology: Staphylococcus aureus (most common)

Clinical features:- Tender, firm, swollen, erythematous breast (generally unilateral)- Pain during breastfeeding- Reduced milk secretion- Flu-like symptoms, malaise, fever, and chills- Possible reactive lymphadenopathy

Diagnosis: Clinical - Breast milk cultures or imaging may be required if there is no response to initial treatment.

Treatment:- In nursing mothers: frequent emptying of the breast; breastfeeding with both breasts is recommended every 2–3 hours. - Analgesics (e.g., ibuprofen)- Cold compresses- Antibiotic treatment: Oral penicillinase-resistant penicillin or cephalosporin (e.g., dicloxacillin or cephalexin)