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Influenza B AntiviralAka: Influenza B Antiviral, Zanamivir, Relenza, Oseltamivir, Tamiflu
- See Also
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Influenza
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Influenza Vaccine
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Amantadine
- Indications: Covers both Influenza A and Influenza B
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Influenza
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Influenza prophylaxis
- Contraindications: Zanamivir (Relenza)
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Asthma
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COPD
- Precautions
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Influenza A (H1N1 Strain) was resistant to Tamiflu in 2008 (Relenza was used)
- Dosing: Zanamivir (Relenza)
- Management
- Dose: 10 mg (2 inhalations) bid for 5 days
- FDA licensed use for age 7 years and older
- Prevention
- Dose: 10 mg (2 inhalations) bid for 5 days
- Not FDA licensed for prevention age <7 years
- Dosing: Oseltamivir (Tamiflu)
- Management
- Dose: 2 mg/kg/dose up to 75 mg PO bid
- Weight <15 kg: 30 mg PO bid for 5 days
- Weight 15 to 23 kg: 45 mg PO bid for 5 days
- Weight 23 to 40 kg: 60 mg PO bid
- Weight >40 kg: 75 mg PO bid for 5 days
- FDA licensed use for age 1 year and older
- Prevention
- Adult Dose: 75 mg qd for 7 days
- Not FDA licensed for prevention age <13 years
- Adverse effects
- Bronchospasm (with Relenza only)
- References
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(2002) Pediatrics 110(6):1246-52
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Stiver (2003) CMAJ 168(1):49-57