Drug interactions
Clonidine + Ephedrine
Severity: Moderate
Clonidine and Ephedrine: 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
Clonidine may enhance the pressor response to ephedrine in some settings, producing unexpected blood pressure rises. Clonidine withdrawal or sympathetic imbalance may add to variability.
What this interaction means in plain words
Clonidine and Ephedrine 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.
Clonidine belongs to Cardiovascular; Ephedrine belongs to Cardiovascular.
Why it happens
Central alpha-2 agonism with peripheral alpha-receptor sensitisation may exaggerate the pressor response to indirect sympathomimetics.
What to do
Monitor blood pressure and titrate ephedrine in small doses.
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 Ephedrine
- Ephedrine + Isocarboxazid Contraindicated
- Ephedrine + Phenelzine Contraindicated
- Ephedrine + Procarbazine Contraindicated
- Ephedrine + Rasagiline Contraindicated
- Ephedrine + Selegiline Contraindicated
- Ephedrine + Tranylcypromine Contraindicated
Other interactions of Clonidine
- Acebutolol + Clonidine Major
- Amifostine + Clonidine Major
- Amiodarone + Clonidine Major
- Amoxapine + Clonidine Major
- Atenolol-chlorthalidone + Clonidine Major
- Atenolol + Clonidine Major
Frequently asked questions
Can I take Clonidine with Ephedrine?
MediHelp rates the interaction as moderate. Clonidine and Ephedrine 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. Clonidine may enhance the pressor response to ephedrine in some settings, producing unexpected blood pressure rises. Clonidine withdrawal or sympathetic imbalance may add to variability.
How serious is the interaction between Clonidine and Ephedrine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and titrate ephedrine in small doses.
What other medicines interact with Ephedrine?
MediHelp also lists interactions of Ephedrine with, for example, Isocarboxazid, Phenelzine, Procarbazine. The full list is on the Ephedrine page.
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