Drug interactions
Cariprazine + Fentanyl transmucosal
Severity: Major
Cariprazine and Fentanyl transmucosal: major interaction.
Last updated Sources: UK SmPC
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
Both agents depress the CNS, so concurrent use can lead to significant sedation, hypotension and respiratory depression. Transmucosal fentanyl is potent and rapid acting, which magnifies the risk.
What this interaction means in plain words
Cariprazine and Fentanyl transmucosal can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive central nervous system and respiratory depression from opioid agonism and antipsychotic sedation.
What to do
Reserve the combination for patients without alternatives and use minimal effective doses and durations. Monitor for sedation and respiratory depression.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Cariprazine
Frequently asked questions
Can I take Cariprazine with Fentanyl transmucosal?
MediHelp rates the interaction as major. Cariprazine and Fentanyl transmucosal can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both agents depress the CNS, so concurrent use can lead to significant sedation, hypotension and respiratory depression. Transmucosal fentanyl is potent and rapid acting, which magnifies the risk.
How serious is the interaction between Cariprazine and Fentanyl transmucosal?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reserve the combination for patients without alternatives and use minimal effective doses and durations. Monitor for sedation and respiratory depression.
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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