Drug interactions
Cariprazine + Risperidone
Severity: Moderate
Cariprazine and Risperidone: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Combining two antipsychotics increases the overall burden of dopamine D2 blockade and sedation. This raises the risk of extrapyramidal symptoms, akathisia, orthostatic hypotension and metabolic effects. Cariprazine is a partial agonist, so combined effects are hard to predict.
What this interaction means in plain words
Cariprazine and Risperidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Cariprazine belongs to Central Nervous System; Risperidone belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic effects from dopamine and serotonin receptor antagonism or partial agonism and central nervous system depression.
What to do
Avoid antipsychotic polypharmacy where possible, and use the lowest effective doses if both are needed. Monitor for movement disorders, sedation, and blood pressure.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Cariprazine
Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Frequently asked questions
Can I take Cariprazine with Risperidone?
MediHelp rates the interaction as moderate. Cariprazine and Risperidone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Combining two antipsychotics increases the overall burden of dopamine D2 blockade and sedation. This raises the risk of extrapyramidal symptoms, akathisia, orthostatic hypotension and metabolic effects. Cariprazine is a partial agonist, so combined effects are hard to predict.
How serious is the interaction between Cariprazine and Risperidone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid antipsychotic polypharmacy where possible, and use the lowest effective doses if both are needed. Monitor for movement disorders, sedation, and blood pressure.
What other medicines interact with Cariprazine?
MediHelp also lists interactions of Cariprazine with, for example, Alfentanil, Amisulpride, Amobarbital. The full list is on the Cariprazine page.
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