Compare prices and print coupons for Sildenafil (Generic Revatio and Viagra) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ Welcome! You’re in GoodRx Provider Mode. Pay undefined at Walgreens with a GoodRx discount. That’s 94% off the retail price of $ Walgreens. $ retail. Save 94% $ This includes prescription or nonprescription over-the-counter [OTC] medicines and herbal or vitamin supplements. For treatment of erectile dysfunction: For oral dosage form tablets : Adults up to 65 years of age—50 milligrams mg as a single dose no more than once a day, 1 hour before sexual intercourse. Furthermore, sildenafil use requires caution in patients with anatomical deformation of the penis and patients with conditions potentially predisposing them to priapism, such as sickle cell anemia or multiple myeloma. If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. Sildenafil for pulmonary hypertension can also be known by the brand names Revatio and Grandipam. Call your doctor right away if you have blurred vision, confusion, dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly, sweating, or unusual tiredness or weakness.Medicare coverage and pricing details for Sildenafil. Learn more about Medicare prescription drug plans and savings with GoodRx. Type your drug name (like Atorvastatin, Sildenafil, etc). Sildenafil Prices, Coupons and Patient Assistance Programs. Sildenafil is a member of the agents for pulmonary hypertension drug class and is commonly used for Erectile Dysfunction, Pulmonary Arterial Hypertension, and Sexual Dysfunction – SSRI Induced.. Brand names for sildenafil include Viagra, Revatio, and Liqrev. The cost for sildenafil . Compare prices and print coupons for Revatio (Sildenafil) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ Welcome! You’re in GoodRx Provider Mode. Pay undefined at Walgreens with a GoodRx discount. That’s 94% off the retail price of $ Walgreens. $ retail. Save 94% $ chevron_right.This will result in better patient outcomes, increased patient quality of life, and fewer adverse events. Some barriers to successful sildenafil therapy in the treatment of erectile dysfunction include cost and social stigma surrounding erectile dysfunction. Adverse Effects Warnings and Precautions Sildenafil has systemic vasodilatory effects and, as such, should be prescribed with caution to patients who may be sensitive to such blood pressure changes, such as patients with left ventricular outflow obstruction and impaired autonomic control of blood pressure. You can take it up to 4 hours before you want to have sex. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took sildenafil.