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Legality · Memantine

Is Memantine legal in Brazil?

Confirmed against a primary sourceVerified July 14, 2026
Legal status
Memantine is a registered prescription medicine (medicamento sob prescricao), not a controlled substance: cloridrato de memantina holds ANVISA registro and is not listed in the Portaria SVS/MS 344/1998 controlled-substances tables.
Consequences if caught
Memantine carries no controlled-substance penalty; unauthorised supply of a prescription medicine is a sanitary-law matter only.
If prescribed or medical
Prescribed for moderate-to-severe Alzheimer's disease; distributed through SUS (CEAF) under clinical-protocol criteria.
Documentation
Ebixa and memantine generics are ANVISA-registered and listed in the Bulario Eletronico; carried lawfully with a prescription.