Antiviral agents for influenza
| Antiviral agent | Trade name | Manufacturer | Influenza sectrum | Route of administration | Daily dosage for adults | Most common side effects | |
|---|---|---|---|---|---|---|---|
| Prevention | Treatment | ||||||
| †Not available in the UK. | |||||||
| Amantadine | Symmetrel | Endo Pharmaceuticals (USA) | Type A | Oral | 200 mg | 200 mg | Gastrointestinal and central nervous system |
| Lysovir | Alliance (UK) | ||||||
| Rimantadine† | Flumadine | Forest Laboratories (USA) | Type A | Oral | 200 mg | 200 mg | Gastrointestinal |
| Zanamivir | Relenza | GlaxoSmithKline | Types A and B | Oral inhalation | 10 mg | 20 mg | None |
| Oseltamivir | Tamiflu | Roche | Types A and B | Oral | 75 mg | 150 mg | Gastrointestinal |