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Drug interactions

Cyproheptadine + Methylenedioxymethamphetamine

Severity: Minor

Cyproheptadine and Methylenedioxymethamphetamine: minor 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

Cyproheptadine is sedating and blocks 5-HT2 receptors, whereas MDMA is a stimulant that releases serotonin. Their effects may partly oppose each other, and cyproheptadine may blunt MDMA's serotonergic effects, but the outcome is unpredictable.

What this interaction means in plain words

Cyproheptadine and Methylenedioxymethamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Opposing CNS effects and 5-HT2 receptor antagonism; interaction not well characterized.

What to do

Counsel against MDMA use. If exposure occurs, monitor for serotonin toxicity and hyperthermia.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cyproheptadine with Methylenedioxymethamphetamine?

MediHelp rates the interaction as minor. Cyproheptadine and Methylenedioxymethamphetamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cyproheptadine is sedating and blocks 5-HT2 receptors, whereas MDMA is a stimulant that releases serotonin. Their effects may partly oppose each other, and cyproheptadine may blunt MDMA's serotonergic effects, but the outcome is unpredictable.

How serious is the interaction between Cyproheptadine and Methylenedioxymethamphetamine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel against MDMA use. If exposure occurs, monitor for serotonin toxicity and hyperthermia.

What other medicines interact with Cyproheptadine?

MediHelp also lists interactions of Cyproheptadine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Cyproheptadine page.

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