Drug interactions
Atenolol + Dobutamine
Severity: Moderate
Atenolol and Dobutamine: 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
Atenolol blocks beta-1 receptors and reduces the inotropic and chronotropic effects of dobutamine. Unopposed alpha-1 stimulation may raise blood pressure, and the combination can reduce the diagnostic or therapeutic effect in stress testing or heart failure.
What this interaction means in plain words
Atenolol and Dobutamine 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.
Atenolol belongs to Cardiovascular; Dobutamine belongs to Cardiovascular.
Why it happens
Pharmacodynamic antagonism at beta-1 adrenergic receptors.
What to do
Hold atenolol before dobutamine stress testing where appropriate, and in treatment use titrate dobutamine to hemodynamic response with blood pressure monitoring.
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 Atenolol
- Amifostine + Atenolol Major
- Amiodarone + Atenolol Major
- Atenolol + Atenolol-chlorthalidone Major
- Atenolol + Betaxolol Major
- Atenolol + Bisoprolol Major
- Atenolol + Carvedilol Major
Other interactions of Dobutamine
Frequently asked questions
Can I take Atenolol with Dobutamine?
MediHelp rates the interaction as moderate. Atenolol and Dobutamine 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. Atenolol blocks beta-1 receptors and reduces the inotropic and chronotropic effects of dobutamine. Unopposed alpha-1 stimulation may raise blood pressure, and the combination can reduce the diagnostic or therapeutic effect in stress testing or heart failure.
How serious is the interaction between Atenolol and Dobutamine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Hold atenolol before dobutamine stress testing where appropriate, and in treatment use titrate dobutamine to hemodynamic response with blood pressure monitoring.
What other medicines interact with Atenolol?
MediHelp also lists interactions of Atenolol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Atenolol page.
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