Drug interactions
Carvedilol + Ephedrine
Severity: Moderate
Carvedilol 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
Carvedilol blocks adrenergic receptors and reduces the pressor and cardiac effects of ephedrine. Unopposed alpha stimulation with nonselective beta blockade can cause hypertension and reflex bradycardia in some cases.
What this interaction means in plain words
Carvedilol 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.
Carvedilol belongs to Cardiovascular; Ephedrine belongs to Cardiovascular.
Why it happens
Pharmacodynamic antagonism at adrenergic receptors by carvedilol.
What to do
Monitor blood pressure and heart rate when ephedrine is used. Titrate ephedrine to effect, or use a direct alpha agonist like phenylephrine for hypotension.
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 Carvedilol
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 Carvedilol with Ephedrine?
MediHelp rates the interaction as moderate. Carvedilol 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. Carvedilol blocks adrenergic receptors and reduces the pressor and cardiac effects of ephedrine. Unopposed alpha stimulation with nonselective beta blockade can cause hypertension and reflex bradycardia in some cases.
How serious is the interaction between Carvedilol 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 heart rate when ephedrine is used. Titrate ephedrine to effect, or use a direct alpha agonist like phenylephrine for hypotension.
What other medicines interact with Carvedilol?
MediHelp also lists interactions of Carvedilol with, for example, Amifostine, Amiodarone, Arformoterol. The full list is on the Carvedilol page.
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