Answer
Taking amantadine hydrochloride with levodopa may increase confusion, hallucinations, nightmares, gastrointestinal disturbances or other atropine-like side effects, and psychotic reactions have been observed.
Sources for this answer
- Amantadine hydrochloride 100mg capsulesAlliance Pharmaceuticals · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated
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