Drug interactions
Methyldopa + Methylenedioxymethamphetamine
Severity: Moderate
Methyldopa and Methylenedioxymethamphetamine: 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
MDMA causes marked sympathomimetic effects including hypertension and tachycardia, which oppose methyldopa. The combination may produce unpredictable blood pressure responses.
What this interaction means in plain words
Methyldopa and Methylenedioxymethamphetamine 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
MDMA releases monoamines, producing pressor effects that oppose methyldopa's central sympatholytic action; the exact interaction is not established.
What to do
Advise against recreational MDMA use. Monitor blood pressure and heart rate in anyone exposed.
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 Methyldopa
- Methyldopa + Tranylcypromine Contraindicated
- Iobenguane i + Methyldopa Major
- Lofexidine + Methyldopa Major
- Methyldopa + Pexidartinib Major
- Methyldopa + Pretomanid Major
- Methyldopa + Thioridazine Major
Frequently asked questions
Can I take Methyldopa with Methylenedioxymethamphetamine?
MediHelp rates the interaction as moderate. Methyldopa and Methylenedioxymethamphetamine 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. MDMA causes marked sympathomimetic effects including hypertension and tachycardia, which oppose methyldopa. The combination may produce unpredictable blood pressure responses.
How serious is the interaction between Methyldopa and Methylenedioxymethamphetamine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise against recreational MDMA use. Monitor blood pressure and heart rate in anyone exposed.
What other medicines interact with Methyldopa?
MediHelp also lists interactions of Methyldopa with, for example, Tranylcypromine, Iobenguane i, Lofexidine. The full list is on the Methyldopa page.
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