FDA pharmacologic class
Neuraminidase Inhibitor
2 medicines are in FDA's class of neuraminidase inhibitors: oseltamivir (Tamiflu) and zanamivir (Relenza). 1 of the 2 are listed from generic labelers (FDA NDC Directory, October 8, 2026). The lowest pharmacy cost is oseltamivir 6 mg/ml suspension at $0.150 per mL (NADAC).
Which medicines are neuraminidase inhibitor?
| Medicine | Brand names | Generic labelers (all forms) | Pharmacy cost | Boxed warning | Shortage | Recalls since 2012 |
|---|---|---|---|---|---|---|
| Oseltamivir | Tamiflu | 36 labelers | $0.150 per mL 6 mg/mL suspension | No | No current entry | 3 |
| Zanamivir | Relenza | none listed | n/a | No | No current entry | 0 |
Source: FDA Established Pharmacologic Class (NDC Directory, openFDA); CMS NADAC of October 7, 2026; FDA shortages and recalls (FDA files October 8, 2026)
What do pharmacies pay?
Each medicine's most widely listed form, per unit, in the NADAC survey: what pharmacies paid, not what a patient pays; strengths differ, so compare like with like.
Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price