Oseltamivir Phosphate(oz el tam’ ah ver)
Tamiflu
PREGNANCY CATEGORY C
Drug Classes
Antiviral
Neuraminidase inhibitor
Therapeutic Actions
Selectively inhibits influenza virus neuraminidase; by blocking the actions of this enzyme, there is decreased viral release from infected cells, increased formation of viral aggregates, and decreased spread of the virus.
Indications
Treatment of uncomplicated acute illness due to influenza virus (A or B) in adults and children who have been symptomatic for 2 days or less
Prevention of naturally occurring influenza A and B in adults and children in close contact with the flu
Unlabeled use: Treatment and prevention of H1N1 influenza A (swine flu)
Contraindications and Cautions
Contraindicated with allergy to any component of the drug.
Use cautiously with pregnancy, lactation, asthma, COPD.
Available Forms
Capsules—30, 45, 75 mg; powder for oral suspension—6 mg/mL
Dosages
Adults and patients 13 yr and older
Treatment: 75 mg PO bid for 5 days, starting within 2 days of the onset of symptoms.
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