If you do, you may save money with online pharmacies that accept yours. It might work longer if you have mild to moderate erectile dysfunction. If you have an erection that lasts more than 4 hours, get medical help right away. We considered cost, medications available, and whether generic versions were offered to help reduce costs. Most companies have an FAQ or shipping policy page you can reference to learn whether discreet packaging is available. Next review due on August 01, 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 . According to price-comparison site test1.ru, generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s compared with . Sildenafil, or generic Viagra, comes in the same doses as Viagra and works in exactly the same way. The key difference is the price: Viagra costs more than Sildenafil because it’s .