Drug interactions
Lisdexamfetamine + Methylenedioxymethamphetamine
Severity: Major
Lisdexamfetamine and Methylenedioxymethamphetamine: major 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
MDMA is an illicit amphetamine-type drug that releases serotonin and catecholamines. Combined with lisdexamfetamine it can produce excessive sympathomimetic effects, with hypertension, tachycardia, hyperthermia, arrhythmias and serotonin toxicity.
What this interaction means in plain words
Lisdexamfetamine and Methylenedioxymethamphetamine 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 monoamine release causing excessive adrenergic and serotonergic stimulation.
What to do
Advise strictly against MDMA use during stimulant therapy. Patients with chest pain, hyperthermia, agitation or severe hypertension after use need urgent medical evaluation.
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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Other interactions of Lisdexamfetamine
- Isocarboxazid + Lisdexamfetamine Contraindicated
- Linezolid + Lisdexamfetamine Contraindicated
- Lisdexamfetamine + Phenelzine Contraindicated
- Lisdexamfetamine + Procarbazine Contraindicated
- Lisdexamfetamine + Rasagiline Contraindicated
- Lisdexamfetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Lisdexamfetamine with Methylenedioxymethamphetamine?
MediHelp rates the interaction as major. Lisdexamfetamine and Methylenedioxymethamphetamine 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 is an illicit amphetamine-type drug that releases serotonin and catecholamines. Combined with lisdexamfetamine it can produce excessive sympathomimetic effects, with hypertension, tachycardia, hyperthermia, arrhythmias and serotonin toxicity.
How serious is the interaction between Lisdexamfetamine and Methylenedioxymethamphetamine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise strictly against MDMA use during stimulant therapy. Patients with chest pain, hyperthermia, agitation or severe hypertension after use need urgent medical evaluation.
What other medicines interact with Lisdexamfetamine?
MediHelp also lists interactions of Lisdexamfetamine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Lisdexamfetamine page.
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