Oseltamivir

C. diff Risk

None

Oral Bioavailability

NA

Approximate Cost

$3-4/day (Oral)

Spectrum Of Activity

Dosing

Preterm (< 36 weeks GA):

  • 1 mg/kg/dose twice daily for 5 days

Term (> 37 weeks GA)

  • 0 - 13 days: 3 mg/kg/dose twice daily for 5 days

  • > 14 days: 3 mg/kg/dose twice daily for 5 days

Less than 1 year of age:
1 - 8 months: 3 mg/kg/dose PO BID
9 - 11 months: 3.5 mg/kg/dose PO BID

Greater than 1 year of age:
≤ 15 kg: 30 mg PO BID
>15 - 23 kg: 45 mg PO BID
>23 - 40 kg: 60 mg PO BID
>40 kg or ≥13 years: 75 mg PO BID

Dosing Frequency: PO BID

Treatment duration: 5 days

General Information

First Line Indications

  • Used for treatment of suspected and confirmed influenza

Oral Liquids

Concentration: 6 mg/mL suspension

Not all strengths of oral liquids are listed nor be available on the CHEO Formulary

Tablet/Capsule Strengths

  • 75 mg capsule

Tablets or capsules are preferred especially over an unpleasant tasting oral liquid.

Not all strengths of oral tablets/capsules are listed and they are not all available on the CHEO Formulary.