Peri-rectal abscess

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Infection

Perirectal abscess

Possible therapeutic alternatives

Perirectal abscess

Levofloxacin 750mg orally once daily OR
Moxifloxacin 400mg po qd OR
Ciprofloxacin 750mg twice daily OR
Bactrim DS orally twice daily

PLUS
Metronidazole 500mg po q6h

OR
Augmentin XR* 1000/62.5 mg 2 tablets orally twice daily

*AUGMENTIN XR is contraindicated in patients with a creatinine clearance of < 30 mL/min. and in hemodialysis patients

Piperacillin-tazobactam 3.375 grams IVPB q6h OR
Ticarcillin-clavulanic acid 3.1 grams IVPB q6h OR
Cefotetan 1 to 2 grams IVPB q12h OR
Ertapenem 1 gm IV q24h

Penicillin allergic:

Ciprofloxacin 400mg IVPB q12h OR
Levofloxacin 750 mg IV q24h OR
Aztreonam 2 grams IV q6h to q8h

PLUS
Metronidazole 500mg IVPB q6h