Cefdinir Dosing
Provides weight-based dosing (14 mg/kg/day) for children and standard 300/600 mg dosing for adults, including suspension volume conversions.
Typically 10 days (5 days for CAP).
Common: 125 mg/5 mL or 250 mg/5 mL.
Dose Recommendation
Per dose
252 mg
Volume: 10.1 mL (25.0 mg/mL). Administer 1× daily.
Daily total
252 mg/day
Once-daily (14 mg/kg/day). Max daily pediatric dose 600 mg (adult dosing 300 mg q12h or 600 mg q24h).
How to Use This Calculator
Identify patient type
Adults receive fixed dosing; pediatrics use weight-based mg/kg.
Choose regimen
Once-daily regimen improves adherence for mild infections; twice-daily for severe disease.
Provide clear instructions
Document mg and mL per dose, frequency, duration, and renal adjustments.
Formula
Pediatric daily dose (mg) = weight (kg) × 14 mg/kg/day (max 600 mg).
Based on FDA labeling and AAP recommendations for cefdinir.
Frequently Asked Questions
How do I adjust for renal impairment?
CrCl <30 mL/min (adult): 300 mg once daily. Pediatric: same daily dose but once daily.
Can cefdinir cause red stools?
Yes when combined with iron supplements; educate caregivers.
Is cefdinir safe in penicillin allergy?
Use cautiously; cross-reactivity low but avoid in immediate/IgE-mediated reactions.
What infections is cefdinir for?
Otitis media, sinusitis, pharyngitis, community-acquired pneumonia, uncomplicated skin infections.
How should suspension be stored?
Store at room temperature; discard unused suspension after 10 days.