Answer
Concomitant use of memantine hydrochloride and amantadine should be avoided because of the risk of pharmacotoxic psychosis, as both are chemically related NMDA antagonists.
Sources for this answer
- Memantine Hydrochloride 10mg/ml Oral SolutionRosemont Pharmaceuticals Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated
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