Drug interactions
Carisoprodol + Clozapine
Severity: Major
Carisoprodol and Clozapine: major interaction.
Last updated Sources: US FDA label
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
Clozapine is highly sedating and may cause hypotension and, rarely, respiratory depression, particularly during titration. Adding carisoprodol may further increase sedation and the risk of falls or collapse.
What this interaction means in plain words
Carisoprodol and Clozapine 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.
Carisoprodol belongs to Musculoskeletal; Clozapine belongs to Central Nervous System.
Why it happens
Additive CNS depression and additive hypotensive effects.
What to do
Avoid starting carisoprodol during clozapine titration, and if used together monitor sedation, blood pressure and respiration. Use the lowest effective doses.
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 Carisoprodol
Other interactions of Clozapine
- Clozapine + Deferiprone Contraindicated
- Clozapine + Irinotecan Contraindicated
- Clozapine + Pimozide Contraindicated
- Clozapine + Thioridazine Contraindicated
- Acalabrutinib + Clozapine Major
- Adagrasib + Clozapine Major
Frequently asked questions
Can I take Carisoprodol with Clozapine?
MediHelp rates the interaction as major. Carisoprodol and Clozapine 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. Clozapine is highly sedating and may cause hypotension and, rarely, respiratory depression, particularly during titration. Adding carisoprodol may further increase sedation and the risk of falls or collapse.
How serious is the interaction between Carisoprodol and Clozapine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid starting carisoprodol during clozapine titration, and if used together monitor sedation, blood pressure and respiration. Use the lowest effective doses.
What other medicines interact with Carisoprodol?
MediHelp also lists interactions of Carisoprodol with, for example, Alfentanil, Alprazolam, Amobarbital. The full list is on the Carisoprodol page.
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