Table 2

Selected clinical investigations and medications prescribed during the first or any encounter within the same episode of treatment for lactational mastitis in women attending general practice, Australia, 2011 to 2022

First encounterAny encounter*
Clinical investigations
Breast ultrasound1 393 (5.6%)1 771 (7.1%)
Milk culture195 (0.8%)235 (0.9%)
Nipple swab culture237 (0.9%)283 (1.1%)
Breast aspirate37 (0.1%)64 (0.3%)
Blood test835 (3.3%)962 (3.8%)
 FBE823 (3.3%)947 (3.8%)
 CRP278 (1.1%)350 (1.4%)
 ESR179 (0.7%)212 (0.8%)
Medication prescriptions
 Antibiotics
 Oral22 523 (90.1%)22 739 (90.9%)
  Di/flucloxacillin12 477 (49.9%)12 794 (51.2%)
  Cefalexin8 223 (32.9%)8 501 (34.0%)
  Amoxicillin754 (3.0%)772 (3.1%)
  Amoxicillin clavulanate594 (2.4%)664 (2.7%)
  Clindamycin315 (1.3%)354 (1.4%)
  Erythromycin289 (1.2%)308 (1.2%)
  Other174 (0.7%)215 (0.9%)
 Intravenous20 (0.1%)32 (0.1%)
 Topical125 (0.5%)149 (0.6%)
 Antifungals
  Oral275 (1.1%)326 (1.3%)
  Topical303 (1.2%)349 (1.4%)
 Other medications
  Lactation suppressants270 (1.1%)310 (1.2%)
  Lactation stimulants256 (1.0%)295 (1.2%)
  • *At any encounter for mastitis, including additional encounters occurring within a 2-week period of a previous mastitis encounter.

  • CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; FBE, Full blood examination.