Cefdinir Pediatric Dosing
Weight-based dosing for Omnicef with suspension volume calculations and infection-specific durations.
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Standard for AOM, strep, sinusitis Renal adjustment if CrCl <30 Avoid with antacids/iron
Ready to run the numbers?
Why: Accurate pediatric antibiotic dosing ensures efficacy and safety.
How: 14 mg/kg/day (max 600 mg). Suspension: (dose mg ÷ concentration) × 5 = mL.
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👶 Toddler (18 months, 12kg) - Ear Infection
Young child with acute otitis media requiring weight-based dosing
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👧 Child (6 years, 22kg) - Strep Throat
School-age child with streptococcal pharyngitis
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🤧 Child (10 years, 35kg) - Sinusitis
Older child with acute bacterial sinusitis
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🧑 Teen (14 years, 55kg) - Skin Infection
Adolescent with skin/soft tissue infection transitioning to capsules
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🏥 Child with Renal Impairment
Pediatric patient requiring dose adjustment for reduced kidney function
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Patient Information
Demographics
Infection
Formulation
Medical History
Current Medications
For informational purposes only — not medical advice. Consult a healthcare professional before acting on results.
🏥 Health Facts
14 mg/kg/day max 600mg
— FDA
5-10 day courses
— IDSA
What is Cefdinir?
Cefdinir (brand name Omnicef) is a third-generation oral cephalosporin antibiotic commonly prescribed for pediatric infections. It is effective against a wide range of bacteria and is available in both suspension and capsule forms, making it suitable for children of all ages.
Weight-Based Dosing
14 mg/kg/day provides optimal antibiotic levels for treating common pediatric infections.
Flexible Dosing
Can be given once daily or twice daily depending on infection type and preference.
Tasty Suspension
Strawberry-flavored suspension is well-tolerated by children and can be taken with food.
How to Dose Cefdinir
Dosing Table
| Weight | Daily Dose | 125mg/5mL | 250mg/5mL |
|---|---|---|---|
| 9-10 kg | 125 mg | 5 mL | 2.5 mL |
| 11-18 kg | 150-250 mg | 6-10 mL | 3-5 mL |
| 19-27 kg | 265-380 mg | 10-15 mL | 5-7.5 mL |
| 28-36 kg | 392-500 mg | 15-20 mL | 7.5-10 mL |
| ≥43 kg | 600 mg (max) | 24 mL | 12 mL |
When to Use Cefdinir
FDA-Approved Uses
- • Acute otitis media
- • Strep throat/tonsillitis
- • Acute bacterial sinusitis
- • Skin/soft tissue infections
- • Community-acquired pneumonia
Age Considerations
- • Approved for ≥6 months old
- • Suspension for young children
- • Capsules for older children/teens
- • Same mg/kg dose all ages
Contraindications
- • Cephalosporin allergy
- • Severe penicillin allergy (caution)
- • Age <6 months
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