Drug interactions
Cyclobenzaprine + Gepirone
Severity: Moderate
Cyclobenzaprine and Gepirone: 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
Cyclobenzaprine is structurally related to tricyclic antidepressants and has serotonergic activity, and gepirone is a serotonin 5-HT1A agonist antidepressant. Used together they may add to serotonergic stimulation and raise the risk of serotonin syndrome, which presents with agitation, tremor, hyperreflexia, sweating and fever.
What this interaction means in plain words
Cyclobenzaprine and Gepirone 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.
Cyclobenzaprine belongs to Musculoskeletal; Gepirone belongs to Central Nervous System.
Why it happens
Additive serotonergic neurotransmission from cyclobenzaprine (serotonin reuptake and receptor effects) and gepirone (5-HT1A agonism).
What to do
Monitor for signs of serotonin syndrome, particularly after starting or increasing either drug. Stop the serotonergic agent if symptoms develop and treat supportively.
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
Other interactions of Gepirone
- Clarithromycin + Gepirone Contraindicated
- Gepirone + Isocarboxazid Contraindicated
- Gepirone + Itraconazole Contraindicated
- Gepirone + Ketoconazole Contraindicated
- Gepirone + Linezolid Contraindicated
- Gepirone + Phenelzine Contraindicated
Frequently asked questions
Can I take Cyclobenzaprine with Gepirone?
MediHelp rates the interaction as moderate. Cyclobenzaprine and Gepirone 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. Cyclobenzaprine is structurally related to tricyclic antidepressants and has serotonergic activity, and gepirone is a serotonin 5-HT1A agonist antidepressant. Used together they may add to serotonergic stimulation and raise the risk of serotonin syndrome, which presents with agitation, tremor, hyperreflexia, sweating and fever.
How serious is the interaction between Cyclobenzaprine and Gepirone?
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 signs of serotonin syndrome, particularly after starting or increasing either drug. Stop the serotonergic agent if symptoms develop and treat supportively.
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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