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ABx dosing
antibiotic dosing
| Question | Answer |
|---|---|
| Penicillin G | 2-5 million units IV q 4-6 h, Dose adjust CrCl <50 ml/min |
| Penicillin V | 250-500 mg po QID, Dose adjust CrCl <50 ml/min |
| Benzathine penicillin G | 600,000-1.2M units IM q 2-4 weeks, Dose adjust CrCl <50 ml/min |
| Ampicillin | 1-2 grams IV q 4-6 hours, 250-500 mg po QID, Dose adjust CrCl <50 ml/min |
| Amoxicillim | 250-500 mg po TID, Dose adjust CrCl <50 ml/min |
| Nafacillin | 1-2 grams IV q 4-6 hours, dose adjust for severe hepatic impairment |
| Oxacillin | 1-2 grams IV q 4-6 hours, dose adjust for severe hepatic impairment |
| Dicloxacillin | 250-500 mg po QID, dose adjust for severe hepatic impairment |
| Ticarcillin | 3 grams IV q 4-6 hours, Dose adjust CrCl <50 ml/min |
| Indanyl carbenicillin | 382-784 mg po QID, Dose adjust CrCl <50 ml/min |
| Piperacillin | 3-4 grams IV q 4-6 hours, Dose adjust CrCl <50 ml/min |
| Amoxicillin/Clavulanic Acid | 500-875 mg po BID, Dose adjust CrCl <50 ml/min |
| Ampicillin/Sulbactam | 1.5-3 grams IV q6h, Dose adjust CrCl <50 ml/min |
| Ticarcillin/Clavulanic Acid | 3.1 grams IV q 4-6 hours, Dose adjust CrCl <50 ml/min |
| Piperacillin/Tazobactam | 3.375 grams IV q 4-6 hours, Dose adjust CrCl <50 ml/min |
| Cefazolin | 1-2 grams IV q 8h, Dose adjust CrCl <50 ml/min |
| Cefadroxil | 500-1000 mg po BID, Dose adjust CrCl <50 ml/min |
| Cephalexin | 250-500 mg po QID, Dose adjust CrCl <50 ml/min |
| Cefuroxime | 250-500 mg po BID, Dose adjust CrCl <50 ml/min |
| Cefuroxime | 750-1000 mg IV Q12h, Dose adjust CrCl <50 ml/min |
| Cefaclor | 250-500 mg po TID, Dose adjust CrCl <50 ml/min |
| Cefoxitin | 1-2 grams IV q6-8h, Dose adjust CrCl <50 ml/min |
| Cefotetan | 1-2 grams IV q12h, Dose adjust CrCl <50 ml/min |
| Cefmetazole | 1-2 grams IV q 8-12 hours, Dose adjust CrCl <50 ml/min |
| Cefotaxime | 1 gram IV q8h |
| Ceftriaxone | 1-2 gram IV q 12-24 hours |
| Cefixime | 400 mg po QD |
| Cefpodoxime proxetil | 200-400 mg po BID |
| Cefatzidime | 1-2 grams IV q 8 hours, Dose adjust CrCl <50 ml/min |
| Cefoperazone | 2-4 grams IV q12h, Dose adjust CrCl <50 ml/min |
| Cefepime | 1-2 grams IV q 8-12 hours, Dose adjust CrCl <50 ml/min |
| Ceftaroline | 1 gram IV q12h, Dose adjust CrCl <50 ml/min |
| Impenem/Cilastatin | 500 mg IV Q6H, Dose adjust CrCl <50 ml/min |
| Meropenem | 500-2000 mg IV q 6-8 hours, Dose adjust CrCl <50 ml/min |
| Doripenem | 500 mg IV q8h, Dose adjust CrCl <50 ml/min |
| Ertapenem | 1000 mg IV q24h, Dose adjust CrCl <50 ml/min |
| Aztreonam | 1-2 grams IV q8h, Dose adjust CrCl <50 ml/min |
| Gentamicin | 1-2 mg/kg q8-12h, 5-7mg/kg q24h, Dose adjust CrCl <60 ml/min per pharmacokinetics |
| Tobramycin | 1-2 mg/kg q8-12h, 5-7mg/kg q24h, Dose adjust CrCl <60 ml/min per pharmacokinetics |
| Amikacin | 7.5 mg/kg q12h, 15-20 mg/kg q24h, Dose adjust CrCl <60 ml/min per pharmacokinetics |
| Tetracycline | 250-500 mg po QID, Dose adjust CrCl <50 ml/min |
| Doxycyline | 100 mg po/IV q12h, hepatically excreted |
| Erythromycin | 250-500 mg po TID/QID, 0.5-1 gram IV q6-8h, Dose adjust for severe Hepatic Dysfunction |
| Clarithromycin | 250-500 mg PO BID, Dose adjust for severe Hepatic Dysfunction |
| Azithromycin | 500 mg IV/po x1 then 250 mg IV/po BID, Dose adjust for severe Hepatic Dysfunction |
| Clindamycin | 300-450 mg po TID/QID, 600-900 mg IV q8h, Dose adjust for severe hepatic dysfunction |
| Ciprofloxacin | 250-750 mg po q8-12h, 200-400 mg IV q8-12h, Dose adjust CrCl <50 ml/min |
| Levofloxacin | 250-750 mg po/IV QD, Dose adjust CrCl <50 ml/min |
| Gatifloxacin | 400 mg po/IV QD, Dose adjust CrCl <50 ml/min |
| Moxifloxacin | 400 mg po/IV QD (Dose adjust CrCl <50 ml/min???- not cleared renally like other flouros) |
| Gemifloxacin | 320 mg po QD, Dose adjust CrCl <50 ml/min |
| Vancomycin | 125-500 mg po q6h, ~15-20 mg,kg IV q12h, Dose adjust CrCl <6ml/min per pharmacokinetics |
| Metronidazole | 250-500 mg po BID-QID, 500 mg IV q6-12h |
| Linezolid | 600 mg po/IV q12h |
| Quinupristin/Dalfopristin | 7.5 mg/kg IV q8-12h |
| Daptomycin | 4-6 mg/kg (actual body weight), Dose adjustment for CrCL <30 ml/min |
| Tigecycline (Tygacil) | 100 mg loading dose followed by 50 mg IV q 12h, no adjustment for renal insufficency |
| Telavancin | 10 mg/kg q 24 h, Dose adjust CrCl <50 ml/min |
| Fidaxomicin | 200 mg po q12h x 10 days |