Drug interactions
Carvedilol + Dipyridamole
Severity: Moderate
Carvedilol and Dipyridamole: 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
Dipyridamole raises adenosine levels, which can slow sinus and AV node activity, and carvedilol adds beta-blockade. Bradycardia or conduction block is possible, particularly during dipyridamole stress testing.
What this interaction means in plain words
Carvedilol and Dipyridamole 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; Dipyridamole belongs to Cardiovascular.
Why it happens
Dipyridamole-mediated adenosine accumulation adds to beta-adrenergic blockade on nodal conduction.
What to do
Monitor heart rate and ECG, especially during intravenous dipyridamole use. Follow local protocols for holding beta-blockers before pharmacologic stress testing.
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 Dipyridamole
- Dipyridamole + Riociguat Contraindicated
- Adenosine + Dipyridamole Major
- Betrixaban + Dipyridamole Major
- Dabigatran + Dipyridamole Major
- Dipyridamole + Regadenoson Major
- Dipyridamole + Venetoclax Major
Frequently asked questions
Can I take Carvedilol with Dipyridamole?
MediHelp rates the interaction as moderate. Carvedilol and Dipyridamole 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. Dipyridamole raises adenosine levels, which can slow sinus and AV node activity, and carvedilol adds beta-blockade. Bradycardia or conduction block is possible, particularly during dipyridamole stress testing.
How serious is the interaction between Carvedilol and Dipyridamole?
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 heart rate and ECG, especially during intravenous dipyridamole use. Follow local protocols for holding beta-blockers before pharmacologic stress testing.
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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