Drug interactions
Pseudoephedrine + Trimipramine
Severity: Moderate
Pseudoephedrine 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 can alter adrenergic responses to pseudoephedrine. Combined use may raise blood pressure or heart rate, or provoke arrhythmias.
What this interaction means in plain words
Pseudoephedrine 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.
Pseudoephedrine belongs to Respiratory; Trimipramine belongs to Central Nervous System.
Why it happens
Tricyclic inhibition of neuronal uptake of norepinephrine and indirect sympathomimetics alters adrenergic responses.
What to do
Prefer non-sympathomimetic decongestants. If pseudoephedrine is used, monitor blood pressure and heart rate.
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 Pseudoephedrine
- Isocarboxazid + Pseudoephedrine Contraindicated
- Phenelzine + Pseudoephedrine Contraindicated
- Pseudoephedrine + Rasagiline Contraindicated
- Pseudoephedrine + Selegiline Contraindicated
- Pseudoephedrine + Selegiline transdermal Contraindicated
- Pseudoephedrine + Tranylcypromine Contraindicated
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 Pseudoephedrine with Trimipramine?
MediHelp rates the interaction as moderate. Pseudoephedrine 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 can alter adrenergic responses to pseudoephedrine. Combined use may raise blood pressure or heart rate, or provoke arrhythmias.
How serious is the interaction between Pseudoephedrine 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: Prefer non-sympathomimetic decongestants. If pseudoephedrine is used, monitor blood pressure and heart rate.
What other medicines interact with Pseudoephedrine?
MediHelp also lists interactions of Pseudoephedrine with, for example, Isocarboxazid, Phenelzine, Rasagiline. The full list is on the Pseudoephedrine page.
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