Drug interactions
Cariprazine + Dihydroergotamine
Severity: Moderate
Cariprazine and Dihydroergotamine: 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
Dihydroergotamine has serotonergic activity and cariprazine modulates dopamine and serotonin receptors. Concurrent use could theoretically raise the risk of serotonin toxicity or neuroleptic malignant syndrome, although reports are scarce. Dihydroergotamine is also a CYP3A4 substrate, and cariprazine is not a significant inhibitor of this enzyme.
What this interaction means in plain words
Cariprazine and Dihydroergotamine 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; Dihydroergotamine belongs to Central Nervous System.
Why it happens
Additive serotonergic and dopaminergic receptor effects; the mechanism is largely theoretical.
What to do
Monitor for mental status changes, autonomic instability, neuromuscular hyperactivity, hyperthermia and rigidity when starting or adjusting either drug. Stop both drugs and treat supportively if toxicity appears.
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 Dihydroergotamine
- Almotriptan + Dihydroergotamine Contraindicated
- Clarithromycin + Dihydroergotamine Contraindicated
- Dihydroergotamine + Dopamine Contraindicated
- Dihydroergotamine + Dronedarone Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Dihydroergotamine + Eletriptan Contraindicated
Frequently asked questions
Can I take Cariprazine with Dihydroergotamine?
MediHelp rates the interaction as moderate. Cariprazine and Dihydroergotamine 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. Dihydroergotamine has serotonergic activity and cariprazine modulates dopamine and serotonin receptors. Concurrent use could theoretically raise the risk of serotonin toxicity or neuroleptic malignant syndrome, although reports are scarce. Dihydroergotamine is also a CYP3A4 substrate, and cariprazine is not a significant inhibitor of this enzyme.
How serious is the interaction between Cariprazine and Dihydroergotamine?
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 for mental status changes, autonomic instability, neuromuscular hyperactivity, hyperthermia and rigidity when starting or adjusting either drug. Stop both drugs and treat supportively if toxicity appears.
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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