C. diff Risk


Oral Bioavailability


Approximate Cost

Spectrum Of Activity


Treatment: 75mg PO BID x 5 days

Prophylaxis: 75mg PO daily until outbreak is over

General Information

Common Usage

Treatment and prophylaxis of influenza A and B

Adverse Effects

  • GI upset common

  • Rare - Stevens Johnson

  • Neuropsychiatric side effects reported

Major Interactions

No significant

Additional Information

Will only treat Influenza A and B. Does NOT treat RSV, parainfluenza, human metapneumovirus, adenovirus, or other common viral pathogens
Higher doses have not been shown to be superior, but may be considered in critically ill or obese patients i.e. 150mg PO BID


Antimicrobial class: Antiviral - neuraminidase inhibitor

Pregnancy category: C

Average serum half life: 2.0

Lung penetration: Therapeutic