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Medicines risperidoneQuestion & answer

risperidone · Medicine question

Why can combining risperidone with alcohol increase sedation?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Alcohol is a centrally acting substance, and combining it with risperidone increases the risk of sedation, so the combination requires caution.

Sources for this answer

RISPERDAL CONSTA 25 mg powder and solvent for prolonged-release suspension for injectionJanssen-Cilag Ltd (a Johnson & Johnson Company) · emc · SmPC §4.5 Interaction with other medicinal products · Version 41Document updated 8 September 2022

Sources checked 8 November 2026

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