Cefdinir Dose Calculator

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The FDA label doses patients aged 6 months through 12 years by weight and patients 13 years and older with the fixed adult dose. A child at or above 43 kg receives the same 600 mg/day maximum as an adult.
Enter the child's current body weight. The dose is capped at 300 mg per administration (600 mg/day), which is reached at about 43 kg.
kg
Select the infection being treated. All indications share the same standard dose but differ in treatment duration. Acute bacterial otitis media, acute maxillary sinusitis, pharyngitis/tonsillitis and uncomplicated skin infections are the FDA-approved pediatric indications; community-acquired pneumonia and acute exacerbations of chronic bronchitis are approved for patients 13 years and older only.
Activate for patients with a creatinine clearance below 30 mL/min. The dose is halved to once-daily administration.
Cefdinir oral suspension is available in 125 mg/5 mL and 250 mg/5 mL concentrations. The 125 mg/5 mL formulation is more common.
Dose per administrationStandard dose
140mg

Recommended cefdinir dose for each administration

Dosing frequencyevery 12 hours
Total daily dose280mg/day
Suspension volume per dose5.6mL
Treatment duration5-10 days
140 mg
Low range<150Standard dose150-300Upper range300-450At maximum450+

140 mg cefdinir every 12 hours

  • The recommended dose is 140.0 mg every 12 hours, for a total daily dose of 280 mg.
  • At 20.0 kg, the dose is 7.0 mg/kg per administration.
  • Using 125 mg/5 mL suspension, give 5.6 mL per dose.
  • For pharyngitis / tonsillitis, the standard course is 5-10 days.

Next stepShake the suspension well before each dose. Cefdinir can be given with or without food, but avoid iron-fortified foods or antacids within 2 hours of dosing.

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