Treatment of Cesarean Section Incision Infection

Diagnosis

The American College of Obstetricians and Gynecologists classifies cesarean delivery incisions as clean (class I) if performed before rupture of membranes and without chorioamnionitis, or clean-contaminated (class II) if performed after membrane rupture or with chorioamnionitis 1
Surgical site infection (SSI) following cesarean section is diagnosed based on the presence of purulent incisional drainage, local signs including pain, tenderness, swelling, redness, and induration 2

The primary treatment for a cesarean section incision infection is prompt and wide opening of the surgical incision to evacuate infected material, with antibiotics indicated only when systemic inflammatory response syndrome (SIRS) criteria, signs of organ failure, or immunocompromise are present 2
For all incisional SSIs, the primary intervention is to open the incision, evacuate infected material, and continue dressing changes until the wound heals by secondary intention 2
Prompt opening of the incision is crucial as delayed drainage can lead to progression of infection 2
Antibiotics are NOT routinely indicated for incisional SSIs without systemic signs of infection 3, 2

Antibiotics should be added to surgical drainage when any of the following are present: SIRS criteria or signs of organ failure such as hypotension, oliguria, decreased mental alertness 3
Antibiotics should be added to surgical drainage when any of the following are present: immunocompromised patient status 3
Antibiotics should be added to surgical drainage when any of the following are present: temperature >38.5°C or heart rate >110 beats/minute 2
Antibiotics should be added to surgical drainage when any of the following are present: erythema extending >5 cm from the wound edge 2

For operations involving genital tract (such as cesarean section), recommended options include: single-drug options: piperacillin-tazobactam, ertapenem, or other broad-spectrum agents 2
For operations involving genital tract (such as cesarean section), recommended options include: combination options: ceftriaxone + metronidazole or ciprofloxacin + metronidazole 2
If MRSA is suspected, vancomycin 15 mg/kg every 12h IV should be added 2
A short course (24-48 hours) is usually sufficient after adequate drainage 2

To prevent SSI in future cesarean deliveries, administer intravenous antibiotics within 60 minutes before the cesarean delivery skin incision 1
To prevent SSI in future cesarean deliveries, use a first-generation cephalosporin (cefazolin) for all women; in women in labor or with ruptured membranes, add azithromycin for additional reduction in postoperative infections 1
To prevent SSI in future cesarean deliveries, use chlorhexidine-alcohol for abdominal skin cleansing rather than aqueous povidone-iodine solution 1
To prevent SSI in future cesarean deliveries, consider vaginal preparation with povidone-iodine solution before cesarean delivery 1

Continue dressing changes until the wound heals by secondary intention 2
Monitor for signs of deeper infection or inadequate healing that might indicate the need for additional intervention 2

In postpartum patients after cesarean delivery, the presence of severe pain, tenderness, swelling, or warmth at the incision site is a recognized warning sign that warrants prompt medical assessment because it may indicate surgical‑site infection or deeper tissue involvement. 4

For patients with uncomplicated cesarean incisions, keeping the incision clean and dry with gentle washing is recommended to support normal wound healing and reduce the risk of infection. This practice is supported by nursing‑care research. 5

Surgical‑site infections are uncommon within the first 48 hours after cesarean delivery; infections that appear after this period are more likely to represent true bacterial invasion rather than routine postoperative inflammation. 6