In patients with penis deformation (eg, Peyronie disease), sildenafil should be used with caution. Its use should also be closely monitored in patients with conditions that predispose them to priapism, including multiple myeloma and sickle cell anemia.
Sildenafil should also be not administered or used with caution in patients with a history of various cardiovascular conditions, including the following:
Coronary artery disease
Hypotension or hypertension
Other conditions of concern in patients considering sildenafil include the following:
Eye disorders (eg, retinitis pigmentosa, nonarteritic anterior ischemic optic neuropathy)
Pulmonary veno-occlusive disease
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Cite this: Mary L. Windle. Fast Five Quiz: Sildenafil (Viagra) - Medscape - Aug 04, 2021.