Parenteral regimen A
Cefotetan (Cefotan), 2 g IV every 12 hours, or cefoxitin (Mefoxin), 2 g IV every 6 hours
	plus
Doxycycline (Vibramycin), 100 mg orally or IV every 12 hours
Parenteral regimen B
Clindamycin (Cleocin), 900 mg IV every 8 hours
	plus
Gentamicin, 2 mg per kg IV or IM (loading dose), followed by 1.5 mg per kg IM or IV every 8 hours (maintenance dosage; single daily dosing may be substituted)
Alternative parenteral regimens
Ofloxacin (Floxin), 400 mg IV every 12 hours, or levofloxacin (Levaquin), 500 mg IV once daily
	with or without
Metronidazole (Flagyl), 500 mg IV every 8 hours, or ampicillinsulbactam (Unasyn), 3 g IV every 6 hours
	plus
Doxycycline, 100 mg orally or IV every 12 hours
Outpatient regimen A
Ofloxacin, 400 mg orally twice daily for 14 days, or levofloxacin, 500 mg orally once daily for 14 days
	with or without
Metronidazole, 500 mg orally twice daily for 14 days
Outpatient regimen B
Ceftriaxone (Rocephin), 250 mg IM one time; or cefoxitin, 2 g IM, plus probenecid, I g orally administered concurrently; or other parenterally administered third-generation cephalosporin (e.g., ceftizoxime [Cefizox], cefotaxime [Claforan])
	plus
Doxycycline, 100 mg orally twice daily for 14 days
	with or without
Metronidazole, 500 mg orally twice daily for 14 days