| Relenza | 🇺🇸United States | 5MG | powder | Marketed | Glaxosmithkline |
| Dectova | 🇪🇺European Union | | | Authorised | GlaxoSmithKline Trading Services Limited |
| RELENZA 5 mg/dosis POLVO PARA INHALACIÓN (UNIDOSIS) | 🇪🇸Spain | 5 mg | polvo para inhalación | Marketed | Glaxosmithkline S.A. |
| Dectova | 🇮🇹Italy | | Soluzione per infusione | Authorised | Glaxosmithkline Trading Services Limited |
| Dectova 10 mg/ml, oplossing voor infusie | 🇳🇱Netherlands | | Oplossing voor infusie | Authorised | GlaxoSmithKline Trading Services Limited |
| Dectova 10 MG/ML Solucion Para Perfusion | 🇪🇸Spain | 200 mg | solución para perfusión | Authorised | Glaxosmithkline Trading Services Limited |
| Relenza | 🇮🇹Italy | | Polvere per inalazione | Authorised | Glaxosmithkline S.P.A. |
| Relenza 5 mg/dosis inhalatiepoeder, voorverdeeld | 🇳🇱Netherlands | | Inhalatiepoeder, voorverdeeld | Authorised | GlaxoSmithKline B.V. |
| Zanamivir (Port 344/98 L C-1) | 🇧🇷Brazil | | | Cancelled | Glaxo Wellcome S/A |
| Relenza | 🇨🇦Canada | 5 MG / ACT | Powder | Marketed | Glaxosmithkline INC |
| Relenza | 🇧🇷Brazil | | | Authorised | Glaxosmithkline Brasil Ltda |
| Relenza® | 🇷🇸Serbia | 5mg | prašak za inhalaciju, podeljen | Authorised | Evropa Lek Pharma D.O.O. Beograd |
| Relenza® | 🇷🇸Serbia | 5mg | prašak za inhalaciju, podeljen | Authorised | Evropa Lek Pharma D.O.O. Beograd |
| Relenza® | 🇷🇸Serbia | 5mg | prašak za inhalaciju, podeljen | Authorised | Evropa Lek Pharma D.O.O. Beograd |
| RELENZA ROTADISK 5 mg/dose | 🇸🇬Singapore | 5 mg/dose | powder, metered | Authorised | Glaxosmithkline Pte LTD |
| Dectova | 🇭🇷Croatia | | | Authorised | |
| Relenza 5 mg/dozi, prašak inhalata, dozirani | 🇭🇷Croatia | | prašak inhalata, dozirani | Not marketed | GlaxoSmithKline Trading Services Limited, 12 Riverwalk, Citywest Business Campus, Dublin 24, Irska |
| Relenza Rotadisk | 🇳🇿New Zealand | | Powder for inhalation 5 mg | Funded | |
| Relenza 5MG Powder for Inhalation | 🇸🇦Saudi Arabia | | | Authorised | Glaxowellcome |