Drug interactions
Clonidine + Metoprolol
Severity: Major
Clonidine and Metoprolol: major interaction.
Last updated Sources: US FDA label
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
Both drugs lower heart rate and blood pressure, so the combination may cause bradycardia and hypotension. Beta-blockers can also worsen rebound hypertension when clonidine is stopped abruptly.
What this interaction means in plain words
Clonidine and Metoprolol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Clonidine belongs to Cardiovascular; Metoprolol belongs to Cardiovascular.
Why it happens
Additive effects of central sympatholysis and beta-blockade, with unopposed alpha stimulation on clonidine withdrawal.
What to do
Monitor heart rate and blood pressure. To stop, withdraw metoprolol first and taper clonidine gradually over several days.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Metoprolol
- Metoprolol + Thioridazine Contraindicated
- Amifostine + Metoprolol Major
- Amiodarone + Metoprolol Major
- Atenolol-chlorthalidone + Metoprolol Major
- Atenolol + Metoprolol Major
- Betaxolol + Metoprolol Major
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 Metoprolol?
MediHelp rates the interaction as major. Clonidine and Metoprolol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs lower heart rate and blood pressure, so the combination may cause bradycardia and hypotension. Beta-blockers can also worsen rebound hypertension when clonidine is stopped abruptly.
How serious is the interaction between Clonidine and Metoprolol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor heart rate and blood pressure. To stop, withdraw metoprolol first and taper clonidine gradually over several days.
What other medicines interact with Metoprolol?
MediHelp also lists interactions of Metoprolol with, for example, Thioridazine, Amifostine, Amiodarone. The full list is on the Metoprolol page.
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