Men Home > Precautions and Warnings for Sildenafil Citrate

A few of the conditions you should let your healthcare provider know about before you take sildenafil citrate include sickle cell anemia, multiple myeloma, leukemia, and high blood pressure. Among the people who should not take sildenafil citrate at all are those who are taking a nitrate for angina and those who are allergic to any component of sildenafil citrate. Some other precautions and warnings for sildenafil citrate include potential drug interactions and the risk of serious side effects such as a heart attack, stroke, or sudden death in some people taking this medicine.

What Should I Tell My Healthcare Provider?

Prior to taking sildenafil citrate (Viagra®), you should tell your doctor if you have:
Also, tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.
(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 Warnings and Precautions.)
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Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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