Drug interactions
Moxonidine + Trimipramine
Severity: Moderate
Moxonidine 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
Moxonidine is a centrally acting antihypertensive that can cause sedation and dry mouth, and trimipramine is strongly sedating with alpha-blocking and hypotensive properties. Combined use may increase drowsiness and hypotension. Tricyclics may also blunt the antihypertensive effect of centrally acting alpha-agonists.
What this interaction means in plain words
Moxonidine 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.
Why it happens
Additive CNS depression and hypotension, with possible pharmacodynamic antagonism of central alpha2/imidazoline agonism by tricyclic noradrenaline reuptake inhibition.
What to do
Monitor blood pressure and sedation after starting or adjusting either drug. Adjust the antihypertensive regimen if blood pressure control is lost or orthostatic symptoms occur.
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 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 Moxonidine with Trimipramine?
MediHelp rates the interaction as moderate. Moxonidine 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. Moxonidine is a centrally acting antihypertensive that can cause sedation and dry mouth, and trimipramine is strongly sedating with alpha-blocking and hypotensive properties. Combined use may increase drowsiness and hypotension. Tricyclics may also blunt the antihypertensive effect of centrally acting alpha-agonists.
How serious is the interaction between Moxonidine 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 blood pressure and sedation after starting or adjusting either drug. Adjust the antihypertensive regimen if blood pressure control is lost or orthostatic symptoms occur.
What other medicines interact with Trimipramine?
MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.
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