Men Home > Drug Interactions With Sildenafil Citrate

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

An Introduction to Sildenafil Citrate Drug Interactions

A number of other medicines can potentially interact with sildenafil citrate (Viagra®). Some of these potential drug interactions can include:
  • Other phosphodiesterase type 5 inhibitors (PDE5 inhibitors), including:



(Please note that this article refers specifically to Viagra, the original sildenafil citrate product that is approved for treating erectile dysfunction. For information about the sildenafil citrate product used to treat pulmonary arterial hypertension, please see Revatio Drug Interactions.)
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Last reviewed by: Kristi Monson, PharmD;
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