No need to routinely interrupt breastfeeding with puerperal mastitis.
For mild symptoms <24 hours, supportive care may be sufficient
Effective milk removal (frequent breast feeding - use pumping to augment milk removal)
Analgesia (NSAIDs)
Effective milk removal (frequent breast feeding - use pumping to augment milk removal)
Analgesia (NSAIDs)
Treatment directed at S. aureus and Strep and E. coli
Uncomplicated mastitis → 10 days of<unk>  (regardless of MRSA suspicion)
Dicloxacillin 500mg PO q6hrs, considered first line if breastfeeding given safety for infant OR
Cephalexin 500mg PO q6hrs OR
Add TMP/SMX 2DS tabs PO q12hrs if suspect MRSA
Clindamycin 450mg PO q8hrs (also provides MRSA coverage) OR
Amoxicillin/Clavulanate 875mg PO q12hrs OR
Azithromycin 500mg PO x1 on day 1, then 250mg PO daily for days 2-5
Add TMP/SMX 2DS tabs PO q12hrs if suspect MRSA
Skin and soft tissue antibiotics
Cardiovascular antibiotics
GU antibiotics
Bioterrorism antibiotics
Bone and joint antibiotics
Sepsis antibiotics
Antibiotics 
Pediatric antibiotics