Drug Interactions With Sildenafil Citrate

Some of the drugs that can potentially interact with sildenafil citrate include cimetidine, ritonavir, and alpha blockers. Drug interactions with sildenafil citrate can cause changes in blood pressure and also cause your body to metabolize the medicines differently than intended. Be sure to talk with your healthcare provider about any sildenafil citrate drug interactions that may apply to you.

An Introduction to Drug Interactions With Sildenafil Citrate

A number of other medicines can potentially interact with sildenafil citrate (Viagra®). Some possible drug interactions with sildenafil citrate can include:
 

 

Interactions With Sildenafil Citrate Explained

The following sections explain in detail the potentially negative interactions that can occur when sildenafil is combined with any of the drugs listed above.
 
Cimetidine
In previous research studies, when cimetidine and sildenafil citrate were given at the same time, the levels of Viagra in the blood increased significantly. To avoid this possible sildenafil citrate drug interaction, it is recommended that you discuss alternatives with your healthcare provider prior to taking sildenafil citrate.
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;
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