Does Clonidine Interact with Metoprolol Succinate Er?
Clonidine and Metoprolol Succinate Er have a major drug interaction according to U.S. FDA drug labeling data. Concomitant use increases bradycardia risk. Withdraw beta-blocker several days before clonidine withdrawal to avoid rebound hypertension exacerbation. The mechanism involves additive atrioventricular conduction slowing; beta-blockers exacerbate clonidine withdrawal rebound hypertension. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Major
- Clonidine Class
- Central alpha-2 Adrenergic Agonist
- Management
- Close medical supervision required
- Data Source
- U.S. FDA via OpenFDA
How This Interaction Works
The interaction between Clonidine and Metoprolol Succinate Er occurs because additive atrioventricular conduction slowing; beta-blockers exacerbate clonidine withdrawal rebound hypertension. Clinically, this means concomitant use increases bradycardia risk. withdraw beta-blocker several days before clonidine withdrawal to avoid rebound hypertension exacerbation. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.
What To Tell Your Doctor or Pharmacist
If you are taking Clonidine and your doctor is considering prescribing Metoprolol Succinate Er (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Ask how frequently you should be monitored while these are co-prescribed
- Ask whether any dosage adjustments are needed
- Never stop or change either medication without first consulting your healthcare provider