| Memantine | 🇨🇦Canada | 10 MG | Tablet | Marketed | Sivem Pharmaceuticals Ulc |
| Memantine | 🇨🇦Canada | 10 MG | Tablet | Marketed | Sanis Health INC |
| Memantine | 🇨🇦Canada | 10 MG | Tablet | Cancelled | Meliapharm INC |
| Memantine Merz | 🇪🇺European Union | | | Authorised | Merz Pharmaceuticals GmbH |
| Memantine Mylan | 🇪🇺European Union | | | Authorised | Mylan Pharmaceuticals Limited |
| Memantine Accord | 🇪🇺European Union | | | Authorised | Accord Healthcare S.L.U. |
| Memantine Merz | 🇭🇷Croatia | | | Authorised | |
| Memantine ratiopharm | 🇪🇺European Union | | | Authorised | Ratiopharm GmbH |
| Memantine Hydrochloride | 🇺🇸United States | 10MG, 5MG | tablet | Marketed | Sun Pharm |
| Memantine Hydrochloride | 🇺🇸United States | 2MG/ML | solution | Marketed | Medley Pharms |
| Memantine Hydrochloride | 🇺🇸United States | 14MG, 21MG, 28MG … | capsule, extended release | Marketed | Amneal Pharms |
| Memantine CF 10 mg/ml, drank | 🇳🇱Netherlands | | Drank | Authorised | Centrafarm B.V. |
| Memantine Hydrochloride and Donepezil HydrochlorideCombination | 🇺🇸United States | 10MG; 14MG, 10MG; 21MG, 10MG; 28MG … | capsule, extended release | Marketed | Amneal |
| Memantine Chanelle 10 mg/ml drank | 🇳🇱Netherlands | | Drank | Authorised | Chanelle Medical Unlimited Company |
| Memantine Synthon 10 mg, tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Synthon B.V. |
| Memantine Synthon 20 mg, tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Synthon B.V. |
| Memantine-Merz 5 mg/pompbeweging, drank | 🇳🇱Netherlands | | Drank | Authorised | Merz Pharmaceuticals GmbH |
| Memantine Mylan 10 mg, filmomhulde tablet | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Mylan Pharmaceuticals Limited |
| Memantine Mylan 20 mg, filmomhulde tablet | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Mylan Pharmaceuticals Limited |
| Memantine CF 10 mg, filmomhulde tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Centrafarm B.V. |
| Memantine CF 20 mg, filmomhulde tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Centrafarm B.V. |
| Memantine-Merz 10 mg, filmomhulde tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Merz Pharmaceuticals GmbH |
| Memantine-Merz 20 mg, filmomhulde tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Merz Pharmaceuticals GmbH |
| Memantine Synthon 5 mg + 10 mg + 15 mg + 20 mg, tabletten | 🇳🇱Netherlands | | Filmomhulde tablet | Authorised | Synthon B.V. |
| Memantine FGK | 🇪🇺European Union | | | Refused | FGK Representative Service GmbH |