Table 18: Prophylactic Regimens for Genitouinary and Gastrointestinal Procedures

Table 18:
Prophylactic Regimens for Genitouinary and Gastrointestinal Procedures
Category	Regimen
High risk	Ampicillin,^a 2 g IM/IV, 30 min before + gentamicin, 1.5 mg/kg, 30 min before and ampicillin 1 g IM/IV or amoxacillin 1 g PO 6 hours after
Moderate risk	Amoxicillin, 2 g PO, 1 h before or ampicillin, 2 g IM/IV, 3 min before
^aFor penicillin allergy, substitute vancomycin, 1 g IV; infuse over 1-2 h and gentamicin, 1.5 mg/kg and complete 30 min before IV=intravenous; IM=intramuscular; PO=orally. Adapted from reference 25