Key Learning Points
  1. Definition: Lactational mastitis is a localized breast infection that most frequently occurs within the first six weeks postpartum.
  2. Complications: Without proper management, the condition may progress to a breast abscess.
  3. Prevention: Prevent nipple trauma; vary breastfeeding positions; avoid tight-fitting bras.
  4. Symptom Relief: Apply cold compresses between feedings for pain; use warm compresses before feeding to facilitate milk flow.
  5. Hotline: For concerns, call 04-23592525 ext. 8176 (24h) or ext. 6547.

I.What is Lactational Mastitis?
Lactational mastitis is an inflammatory condition often triggered when breast engorgement or blocked ducts are not effectively resolved. Studies indicate that 1 in 5 breastfeeding women may develop mastitis, typically during the first six weeks postpartum
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Image source: Generated by AI

II.Common Causes
  1. Early Postpartum Phase
    1. Improper latch or poor/uncoordinated infant suck.
    2. Infrequent breastfeeding or adherence to strict schedules.
    3. Nipple trauma leading to bacterial entry.
  2. Established Breastfeeding Phas
    1. Oversupply of milk.
    2. Delayed milk expression due to illness.
    3. External pressure on ducts (e.g., tight bras).
    4. Nipple complications (fungal infections/wounds).
    5. Ineffective infant sucking.
III. Symptoms
Signs include a localized lump, pain, redness, swelling, and warmth in the breast. Systemic symptoms may include a fever (>38.5°C), chills, and flu-like exhaustion.

IV.Self-care Strategies:Frequent and effective milk removal is the cornerstone of treatment.
  1. Frequency: Increase feeding/pumping sessions; start on the affected side.
  2. Heat Therapy: Apply a warm compress (41–43°C) for 5 minutes before feeding.
  3. Cold Therapy: Apply a cold compress for 5 minutes after feeding.
  4. Massage: Gently massage from the outer edge toward the lump; avoid heavy pressure on the center.
  5. Recovery: Prioritize rest, hydration, and nutrition.
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Before feeding: warm compress(5min,41-43 )

After feeding: cold  compress(5min)

                                                                                  Image source: Generated by AI

V. Medical Treatment
Breast milk remains safe for infants during mastitis, though its taste may temporarily change. If prescribed, follow the full course of antibiotics. Consult an  Obstetrics and Gynecology if symptoms do not improve within 12–24 hours
 Fever >38.5℃  
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Continue Breastfeeding


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No improvement in 12-24hrs
Follow doctor's antibiotic advice 
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VI.References
  1. Blackmon, M. M., Nguyen, H., Vadakekut, E. S., & Mukherji, P. (2024). Acute mastitis. In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK557782/
  2. Xing, J., & Zhu, Y. (2025). Progress in treatment of acute mastitis with traditional Chinese and Western medicine. Traditional Chinese Medicine, 14(5), 2223–2229. https://doi.org/10.12677/tcm.2025.145331



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    中榮護理衛教
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    Care and Management of Lactational Mastitis
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    2026-04-09 16:18:01
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