Drug interactions
Cariprazine + Loxapine
Severity: Moderate
Cariprazine and Loxapine: 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
Two antipsychotics are being combined, which adds the risk of sedation, orthostatic hypotension, extrapyramidal symptoms and rarely neuroleptic malignant syndrome. Combining antipsychotics rarely has a clear benefit and increases the overall adverse effect burden.
What this interaction means in plain words
Cariprazine and Loxapine 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; Loxapine belongs to Central Nervous System.
Why it happens
Additive dopamine D2 antagonism or partial agonism and additive CNS depressant and antihistaminic effects.
What to do
Avoid antipsychotic polypharmacy where possible; if both are needed, use the lowest effective doses. Monitor for sedation, orthostasis, extrapyramidal symptoms and signs of neuroleptic malignant syndrome.
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 Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Other interactions of Cariprazine
Frequently asked questions
Can I take Cariprazine with Loxapine?
MediHelp rates the interaction as moderate. Cariprazine and Loxapine 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. Two antipsychotics are being combined, which adds the risk of sedation, orthostatic hypotension, extrapyramidal symptoms and rarely neuroleptic malignant syndrome. Combining antipsychotics rarely has a clear benefit and increases the overall adverse effect burden.
How serious is the interaction between Cariprazine and Loxapine?
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; if both are needed, use the lowest effective doses. Monitor for sedation, orthostasis, extrapyramidal symptoms and signs of neuroleptic malignant syndrome.
What other medicines interact with Loxapine?
MediHelp also lists interactions of Loxapine with, for example, Alfentanil, Alprazolam, Amisulpride. The full list is on the Loxapine page.
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