Is Hawthorn Safe with Metoprolol?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Use with caution. Monitor resting heart rate and blood pressure regularly. Inform your cardiologist if you experience unusual fatigue, slow heartbeat, or dizziness.
Why this interaction occurs
Hawthorn has demonstrated negative chronotropic and mild negative inotropic effects in some studies. Combined with beta-blockers like metoprolol, additive reductions in heart rate and blood pressure are plausible, potentially causing bradycardia.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 330,477 reports mentioning Metoprolol. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Metoprolol + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Hawthorn interactions → · All Metoprolol interactions →
Already checked this one — check your whole list
Educational only — not medical advice.
Always confirm with your doctor or pharmacist.