Drug interactions
Cyclobenzaprine + Zotepine
Severity: Moderate
Cyclobenzaprine and Zotepine: 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
Both agents cause sedation and have anticholinergic properties, so combined use can increase drowsiness, confusion and peripheral anticholinergic effects. Zotepine also lowers the seizure threshold and can prolong the QT interval, and cyclobenzaprine may add to these risks.
What this interaction means in plain words
Cyclobenzaprine and Zotepine 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, antimuscarinic effects, and possible additive seizure-threshold lowering and QT effects.
What to do
Monitor for sedation, anticholinergic effects and cardiac symptoms, and use the lowest effective doses. Consider an ECG if other QT-prolonging drugs are present.
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 Cyclobenzaprine
- Cyclobenzaprine + Isocarboxazid Contraindicated
- Cyclobenzaprine + Linezolid Contraindicated
- Cyclobenzaprine + Phenelzine Contraindicated
- Cyclobenzaprine + Safinamide Contraindicated
- Cyclobenzaprine + Selegiline Contraindicated
- Cyclobenzaprine + Selegiline transdermal Contraindicated
Frequently asked questions
Can I take Cyclobenzaprine with Zotepine?
MediHelp rates the interaction as moderate. Cyclobenzaprine and Zotepine 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. Both agents cause sedation and have anticholinergic properties, so combined use can increase drowsiness, confusion and peripheral anticholinergic effects. Zotepine also lowers the seizure threshold and can prolong the QT interval, and cyclobenzaprine may add to these risks.
How serious is the interaction between Cyclobenzaprine and Zotepine?
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 sedation, anticholinergic effects and cardiac symptoms, and use the lowest effective doses. Consider an ECG if other QT-prolonging drugs are present.
What other medicines interact with Cyclobenzaprine?
MediHelp also lists interactions of Cyclobenzaprine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Cyclobenzaprine page.
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