In previous research studies, when alpha blockers and sildenafil citrate were used at the same time for people with benign prostatic hyperplasia (BPH) or high blood pressure, blood pressure decreased. Also, some people who took these medicines together experienced light-headedness, dizziness, or fainting when standing from either a sitting position or lying down. Taking a sildenafil citrate dosage above 25 mg within four hours of the alpha blocker is not recommended.

 

Taking erythromycin and sildenafil citrate together may cause your body to metabolize the medicines differently than intended. Your healthcare provider may adjust your dosage to compensate for this.

 

Taking saquinavir and sildenafil citrate together may cause your body to metabolize the medicines differently than intended. Your healthcare provider may choose to adjust your dosage.

 

Taking antifungals and sildenafil citrate together may cause your body to metabolize the medicines differently than intended. Your healthcare provider may choose to adjust your dose accordingly.

 

If you are taking nitrates, you should not use sildenafil citrate.

 

Summary of Drug Interactions With Sildenafil Citrate

There are a number of medications that sildenafil citrate can potentially interact with. It is possible that not all drug interactions with sildenafil citrate were discussed is this article. Therefore, you should talk with your doctor about the drug interactions that may apply to you.