Drug interactions
Ephedrine + Risperidone
Severity: Minor
Ephedrine and Risperidone: 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
Ephedrine is a sympathomimetic that can raise blood pressure and heart rate, while risperidone's alpha-1 blockade may blunt the pressor response and cause orthostatic hypotension. No important interaction has been established, and the net effect is variable.
What this interaction means in plain words
Ephedrine and Risperidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ephedrine belongs to Cardiovascular; Risperidone belongs to Central Nervous System.
Why it happens
Opposing pharmacodynamic effects at adrenergic receptors; no established pharmacokinetic mechanism.
What to do
No specific action beyond monitoring blood pressure and heart rate when ephedrine is given to a patient taking risperidone.
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?
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Other interactions of Risperidone
- Ibutilide + Risperidone Contraindicated
- Risperidone + Vandetanib Contraindicated
- Adagrasib + Risperidone Major
- Amiodarone + Risperidone Major
- Amisulpride + Risperidone Major
- Amoxapine + Risperidone Major
Other interactions of Ephedrine
- Ephedrine + Isocarboxazid Contraindicated
- Ephedrine + Phenelzine Contraindicated
- Ephedrine + Procarbazine Contraindicated
- Ephedrine + Rasagiline Contraindicated
- Ephedrine + Selegiline Contraindicated
- Ephedrine + Tranylcypromine Contraindicated
Frequently asked questions
Can I take Ephedrine with Risperidone?
MediHelp rates the interaction as minor. Ephedrine and Risperidone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ephedrine is a sympathomimetic that can raise blood pressure and heart rate, while risperidone's alpha-1 blockade may blunt the pressor response and cause orthostatic hypotension. No important interaction has been established, and the net effect is variable.
How serious is the interaction between Ephedrine and Risperidone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action beyond monitoring blood pressure and heart rate when ephedrine is given to a patient taking risperidone.
What other medicines interact with Risperidone?
MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone page.
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