Drug interactions
Methylenedioxymethamphetamine + Trimipramine
Severity: Major
Methylenedioxymethamphetamine and Trimipramine: major interaction.
Last updated Sources: US FDA label
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
MDMA releases serotonin and norepinephrine, and tricyclic antidepressants can alter its effects and raise the risk of serotonin toxicity, hypertension, tachycardia and arrhythmia. Trimipramine may also increase MDMA exposure via CYP2D6 competition.
What this interaction means in plain words
Methylenedioxymethamphetamine and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive serotonergic and noradrenergic effects, plus possible CYP2D6 competition.
What to do
Avoid concurrent use and counsel patients accordingly. Seek urgent care for hyperthermia, agitation, or marked cardiovascular symptoms.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
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 Methylenedioxymethamphetamine with Trimipramine?
MediHelp rates the interaction as major. Methylenedioxymethamphetamine and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. MDMA releases serotonin and norepinephrine, and tricyclic antidepressants can alter its effects and raise the risk of serotonin toxicity, hypertension, tachycardia and arrhythmia. Trimipramine may also increase MDMA exposure via CYP2D6 competition.
How serious is the interaction between Methylenedioxymethamphetamine and Trimipramine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use and counsel patients accordingly. Seek urgent care for hyperthermia, agitation, or marked cardiovascular symptoms.
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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