Drug interactions
Cariprazine + Protriptyline
Severity: Moderate
Cariprazine and Protriptyline: 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
Protriptyline is a tricyclic antidepressant with serotonergic, anticholinergic and cardiac conduction effects, and is a CYP2D6 substrate. With cariprazine, additive sedation, orthostasis and anticholinergic effects may occur, and rarely serotonergic or neuroleptic toxicity.
What this interaction means in plain words
Cariprazine and Protriptyline 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.
Why it happens
Additive CNS depression, anticholinergic and hypotensive effects, with overlapping serotonergic activity.
What to do
Monitor sedation, blood pressure, ECG when indicated, and signs of serotonin toxicity. Start with low doses and titrate slowly.
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
Frequently asked questions
Can I take Cariprazine with Protriptyline?
MediHelp rates the interaction as moderate. Cariprazine and Protriptyline 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. Protriptyline is a tricyclic antidepressant with serotonergic, anticholinergic and cardiac conduction effects, and is a CYP2D6 substrate. With cariprazine, additive sedation, orthostasis and anticholinergic effects may occur, and rarely serotonergic or neuroleptic toxicity.
How serious is the interaction between Cariprazine and Protriptyline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sedation, blood pressure, ECG when indicated, and signs of serotonin toxicity. Start with low doses and titrate slowly.
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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