Drug interactions
Dantrolene + Methylenedioxymethamphetamine
Severity: Moderate
Dantrolene 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
Dantrolene is sedating whereas MDMA is a stimulant, so effects may partly oppose each other, but the net outcome is unpredictable. Stimulant effects may mask sedation, and MDMA can cause hyperthermia and cardiovascular strain.
What this interaction means in plain words
Dantrolene 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
Opposing pharmacodynamic effects (CNS depression versus serotonergic and sympathomimetic stimulation); no established pharmacokinetic mechanism.
What to do
Advise avoiding MDMA, an illicit drug with its own serious risks. If use is suspected, monitor temperature, heart rate, blood pressure and mental status.
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 Dantrolene
Frequently asked questions
Can I take Dantrolene with Methylenedioxymethamphetamine?
MediHelp rates the interaction as moderate. Dantrolene 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. Dantrolene is sedating whereas MDMA is a stimulant, so effects may partly oppose each other, but the net outcome is unpredictable. Stimulant effects may mask sedation, and MDMA can cause hyperthermia and cardiovascular strain.
How serious is the interaction between Dantrolene 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 avoiding MDMA, an illicit drug with its own serious risks. If use is suspected, monitor temperature, heart rate, blood pressure and mental status.
What other medicines interact with Dantrolene?
MediHelp also lists interactions of Dantrolene with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Dantrolene page.
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