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.

Sildenafil

What Should I Tell My Healthcare Provider?

Prior to taking sildenafil citrate (Viagra^®), you should tell your doctor if you have:

Heart disease or blood vessel disease
Liver disease or liver failure
A history of a heart attack, stroke, or life-threatening arrhythmia within the past six months
Retinitis pigmentosa, which is a rare eye problem
Low blood pressure (hypotension)
High blood pressure (hypertension)
Sickle cell anemia
Multiple myeloma
Leukemia
A history of priapism, which is a painful erection lasting longer than six hours
Any condition that causes a penis deformation, such as angulation, Peyronie's disease, or cavernosal fibrosis
Any allergies.

Also, tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, antacids, vitamins, and herbal supplements.

(Precautions and Warnings for Sildenafil Citrate Continued: Page 2)

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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD

Last reviewed by: Kristi Monson, PharmD;

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