Metoprolol and Sildenafil: Drug Interaction Guide
Quick answer: Metoprolol and Sildenafil have a minor interaction — typically manageable with awareness.
How Metoprolol interacts with Sildenafil
Metoprolol reduces beta-1-mediated cardiac output while sildenafil increases cGMP-mediated vasodilation through PDE5 inhibition, causing a modest additive blood-pressure reduction.
What you should do
No routine dose adjustment is required in stable patients. Counsel about postural dizziness and monitor blood pressure if symptoms occur or either drug is being titrated.
Key facts
Severity
Minor — typically manageable
Mechanism
Metoprolol reduces beta-1-mediated cardiac output while sildenafil increases cGMP-mediated vasodilation through PDE5 inh...
Action
No routine dose adjustment is required in stable patients. Counsel about postural dizziness and monitor blood pressure i...
Frequently asked questions
Can I take Metoprolol and Sildenafil together?
Usually yes, with awareness. No routine dose adjustment is required in stable patients. Counsel about postural dizziness and monitor blood pressure if symptoms occur or either drug is being titrated.
What is the severity of this interaction?
The interaction between Metoprolol and Sildenafil is classified as Minor — typically manageable. Metoprolol reduces beta-1-mediated cardiac output while sildenafil increases cGMP-mediated vasodilation through PDE5 inhibition, causing a modest additive blood-pressure reduction.
What should I do if I'm prescribed both?
No routine dose adjustment is required in stable patients. Counsel about postural dizziness and monitor blood pressure if symptoms occur or either drug is being titrated. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.