Lopressor Interactions

More Information on Drug Interactions With Lopressor

The following sections explain in detail the potentially negative interactions that can occur when Lopressor is combined with any of the drugs listed above.

 

Combining Lopressor with an alpha blocker can increase the risk of dangerously low blood pressure (hypotension). Check with your healthcare provider before combining such medications.

 

Combining Lopressor with certain calcium channel blockers may cause dangerously low blood pressure and (for verapamil or diltiazem), a slow heart rate (bradycardia). You may need to be monitored closely if you take these medications together. In some cases, these medications should not be combined.

 

If you are taking Lopressor and certain antidepressants together, your body may metabolize Lopressor differently than intended. This can cause an increased level of Lopressor in your body. If you are using these medicines together, your healthcare provider may choose to monitor you more closely and/or adjust your Lopressor dosage if needed.

 

If you are taking Lopressor and certain antipsychotics together, your body may metabolize Lopressor differently than intended. This can cause an increased level of Lopressor in your body. If you are using these medicines together, your healthcare provider may choose to monitor you more closely and/or adjust your dose of Lopressor.

 

Combining Lopressor with certain arrhythmia medications may cause a dangerously slow heart rate (bradycardia). You may need to be monitored closely if you take these medications together. In some cases, Lopressor and an arrhythmia medication should not be combined.