zanamivir, an antiviral administered by oral inhalation. ▪ INDICATIONS: Zanamivir is used in the treatment and prophylaxis of type A and B influenza in patients who have had symptoms for no more than 2 days. ▪ CONTRAINDICATIONS: Known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: Adverse reactions to this drug include fatigue, ear-nose-throat infections, diarrhea, nasal symptoms, cough, sinusitis, and bronchitis. Common side effects include headache, dizziness, nausea, and vomiting.
