What kind of interaction is it?

Caution: an interaction that may reduce efficacy or raise side-effect risk and warrants monitoring.

Is this interaction backed by published research?

Yes. NutriStack lists 2 citation rows for the Alcohol + Risperidone pair, each linking to PubMed by PMID where available. Full sourcing methodology at https://nutristackapp.com/methodology/interactions.

Interaction databaseSupplement × PrescriptionReviewed May 2026

Alcohol and Risperidone, a caution.

Q: Can I take Alcohol and Risperidone together?

Possibly, but with caution. Alcohol and Risperidone have a documented caution-tier interaction. Alcohol can increase risperidone-related drowsiness, slowed thinking, dizziness, and impaired coordination. Even when risperidone is less sedating than some antipsychotics, alcohol can still increase falls, unsafe driving, and poor judgment. Risk is higher during dose starts or increases, in older adults, and with other sedating medications.

Q: How does this affect a NutriStack Stack Score?

-5 to your Stack Score per scored caution row.

Alcohol can increase risperidone-related drowsiness, slowed thinking, dizziness, and impaired coordination. Even when risperidone is less sedating than some antipsychotics, alcohol can still increase falls, unsafe driving, and poor judgment. Risk is higher during dose starts or increases, in older adults, and with other sedating medications.

2 primary source citations. Strong evidence. Last verified May 30, 2026.

Open the interaction checker →Read the methodology

One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.

Sourcing standards·Evidence tiers

From the interaction database

What the row says.

Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.

At a glance

Substances: Alcohol and Risperidone
Pair type: Caution
Evidence (highest tier): Strong
Source citations: 2 sources
Stack Score effect: −5 to your Stack Score (per scored caution row).
Scope: Supplement × Prescription
Last verified: May 30, 2026

Caution · Strong evidence

Caution

What is happening. Alcohol can increase risperidone-related drowsiness, slowed thinking, dizziness, and impaired coordination. Even when risperidone is less sedating than some antipsychotics, alcohol can still increase falls, unsafe driving, and poor judgment. Risk is higher during dose starts or increases, in older adults, and with other sedating medications.

Mechanism. Alcohol produces CNS depression and psychomotor impairment through GABAergic and glutamatergic effects. Risperidone can cause sedation and orthostatic symptoms through central dopamine/serotonin antagonism and alpha-adrenergic effects, so the combined impairment is pharmacodynamic.

Recommendation. Avoid alcohol while taking risperidone if possible. If you drink, do not drive or operate machinery, and do not take extra sedatives to sleep. Seek urgent help for severe confusion, fainting, slow breathing, or inability to stay awake.

Sources (2)

Stack Score

How this pair moves the number.

Effect on the composite score

If both Alcohol and Risperidone are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).

The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.

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