Select a medication above to begin.
cephalexin
generic
Adult Dosing .
Dosage forms: CAP: 250 mg, 500 mg, 750 mg; TAB: 250 mg, 500 mg; SUSP: 125 mg per 5 mL, 250 mg per 5 mL
infections, bacterial
- [1000-4000 mg/day PO divided q6-12h]
- Max: 4000 mg/day; Info: dose, duration vary by infection type, severity
pharyngitis, streptococcal
- [500 mg PO q12h x10 days]
UTI, uncomplicated
- [500 mg PO q6-12h x3-7 days]
- Alt: 250-500 mg PO q6h x3-7 days; Info: not 1st-line agent
skin/skin structure infections, bacterial
- [250-500 mg PO q6-12h x5-7 days]
- Info: may extend duration based on clinical response
endocarditis prophylaxis, dental (off-label)
- [2000 mg PO x1]
- Start: 30-60min before procedure; Info: see Infectious Disease: Endocarditis Prophylaxis, Adult table
renal dosing
- [if usual regimen q6h]
- CrCl 50-90: give usual dose q6-8h; CrCl 10-50: give usual dose q8-12h; CrCl <10: give usual dose q12-24h
- HD: give usual dose q12-24h, on dialysis days admin. after dialysis; consider supplement if next maint. dose not due right after dialysis; PD: give usual dose q12-24h; no supplement
- [all other regimens]
- renal impairment: consider decr. usual frequency
- HD: consider decr. usual frequency, on dialysis days admin. after dialysis; consider supplement if next maint. dose not due right after dialysis; PD: consider decr. usual frequency; no supplement
hepatic dosing
- [not defined]
Peds Dosing .
- Dosage forms: CAP: 250 mg, 500 mg, 750 mg; TAB: 250 mg, 500 mg; SUSP: 125 mg per 5 mL, 250 mg per 5 mL
infections, bacterial
- [1 mo and older]
- Dose: 25-50 mg/kg/day PO divided q6-12h; Max: 4000 mg/day; Info: dose, duration vary by infection type, severity; may give 50-100 mg/kg/day PO divided q6h for severe infection
pharyngitis, streptococcal
- [1 mo and older]
- Dose: 40 mg/kg/day PO divided q12h x10 days; Max: 500 mg/dose
UTI, uncomplicated
- [1 mo and older]
- Dose: 25-50 mg/kg/day PO divided q12h x7-10 days
skin/skin structure infections, bacterial
- [1 mo and older]
- Dose: 25-50 mg/kg/day PO divided q6-8h x5-7 days; Info: may extend duration based on clinical response
endocarditis prophylaxis, dental (off-label)
- [50 mg/kg/dose PO x1]
- Start: 30-60min before procedure; Info: see Infectious Disease: Endocarditis Prophylaxis, Pediatric table
renal dosing
- [if usual regimen q6-8h]
- CrCl 30-50: give usual divided dose q8h; CrCl 10-29: give usual divided dose q12h; CrCl <10: give usual divided dose q24h
- HD: give usual divided dose q24h, on dialysis days admin. after dialysis; consider supplement if next maint. dose not due right after dialysis; PD: give usual divided dose q24h; no supplement
- [all other regimens]
- renal impairment: consider decr. usual frequency
- HD: consider decr. usual frequency, on dialysis days admin. after dialysis; consider supplement if next maint. dose not due right after dialysis; PD: consider decr. usual frequency; no supplement
hepatic dosing
- [not defined]