Drug interactions
Methocarbamol + Trimipramine
Severity: Moderate
Methocarbamol and Trimipramine: 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
Trimipramine is a highly sedating tricyclic antidepressant with anticholinergic activity, and methocarbamol may intensify drowsiness, dizziness and confusion. Older patients are at greater risk of falls and cognitive effects.
What this interaction means in plain words
Methocarbamol and Trimipramine 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.
Methocarbamol belongs to Musculoskeletal; Trimipramine belongs to Central Nervous System.
Why it happens
Additive central nervous system depression through pharmacodynamic synergism.
What to do
Monitor for oversedation and anticholinergic effects, and reduce the dose of one agent if needed. Counsel patients against driving until the response is known.
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 Methocarbamol
Other interactions of Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Methocarbamol with Trimipramine?
MediHelp rates the interaction as moderate. Methocarbamol and Trimipramine 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. Trimipramine is a highly sedating tricyclic antidepressant with anticholinergic activity, and methocarbamol may intensify drowsiness, dizziness and confusion. Older patients are at greater risk of falls and cognitive effects.
How serious is the interaction between Methocarbamol and Trimipramine?
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 oversedation and anticholinergic effects, and reduce the dose of one agent if needed. Counsel patients against driving until the response is known.
What other medicines interact with Methocarbamol?
MediHelp also lists interactions of Methocarbamol with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Methocarbamol page.
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