Breast Tenderness

Breast tenderness (mastalgia) is one of the most common breast-related complaints. Most cases are hormonal and not concerning, but some require medical evaluation.

Quick Facts

  • ICD-10: N64.4
  • Common: Especially before periods

Common Causes

  • Premenstrual hormonal changes (most common)
  • Pregnancy or breastfeeding
  • Hormone medications (birth control, hormone therapy, fertility drugs)
  • Fibrocystic breast changes
  • Mastitis (breast infection, often in breastfeeding)
  • Cysts
  • Trauma
  • Chest wall pain

When to See a Doctor

  • New lump with tenderness
  • Persistent pain not related to menstrual cycle
  • Redness, warmth, or swelling (possible infection)
  • Skin changes or nipple discharge
  • Pain interfering with daily life

Self-Care

  • Well-fitted supportive bra
  • NSAIDs for cyclical pain
  • Cool compresses
  • Caffeine reduction may help some people
  • Evening primrose oil — modest evidence
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American Cancer Society. Breast Pain Information.