Pediatric antibiotic dosing calculator
Browse pediatric antibiotic dosing by weight (mg/kg). Choose a class below, then open the medication page to calculate the dose and check max limits.
Clinical disclaimer
Browse by infection type
Pick an antibiotic class
Penicillins
Cephalosporins
- Keflex pediatric dose calculator
- Cephalexin (Keflex) dosage chart by weight
- Cefdinir pediatric dose calculator
- Cefixime pediatric dose calculator
- Cefixime 100 mg/5 mL dosing guide
- Cefuroxime pediatric dose calculator
- Cefuroxime suspension dosing guide
- Cefpodoxime pediatric dose calculator
- Cefprozil pediatric dose calculator
- Cefaclor pediatric dose calculator
- Cefadroxil pediatric dose calculator
- Ceftibuten pediatric dose calculator
Macrolides
Tetracyclines
Sulfonamides
Other antibiotics
Stewardship and safety checks
- Use testing pathways where recommended (for example, rapid strep or culture).
- Confirm allergy history and cross-reactivity before selecting a drug.
- Review renal adjustments when dosing renally cleared antibiotics.
- Check max daily limits and recommended duration by diagnosis.
Related tools
FAQs
Avoid empiric antibiotics when viral features predominate or when testing is recommended. Follow local guidelines and stewardship pathways.
Use medication-specific guidance and consider renal function tools before dosing renally cleared antibiotics.
Review reaction type and cross-reactivity before choosing an alternative. Document the reaction and follow local guidance.
Duration depends on diagnosis and guidelines. Check local pathways and medication-specific recommendations.
Infant dosing often has additional age and weight cautions. Use neonatal guidance when applicable.
For many infections, confirmation or rapid testing is recommended before treatment. Follow local policy.