Most of these medicines come in different strengths and pack sizes, so we can help you find something to suit you. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir Norvir , indinavir sulfate Crixivan , saquinavir Fortovase or Invirase , or atazanavir sulfate Reyataz some types of oral antifungal medicines, such as ketoconazole Nizoral and itraconazole Sporanox some types of antibiotics, such as clarithromycin Biaxin , telithromycin Ketek , or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. Data shared with Viatris will be aggregated and de-identified; it will be combined with data related to other Savings Offer redemptions and will not identify you Viatris reserves the right to rescind, revoke, or amend this Savings Offer without notice No membership fees. Resources and support See the Healthy Male site for more information about erectile dysfunction and its treatment. New to online consultations?How much does sildenafil citrate or revatio cost near you? Find the best sildenafil citrate or revatio prices near you now with our cost comparison tool and start saving today. The average cost for 30 Tablet(s), mg each of the generic (sildenafil citrate) is $ You can buy sildenafil citrate at the discounted price of $ by using the MDRx coupon, a savings of 43%. Read on to learn about sildenafil and cost, as well as how to save money on prescriptions. Sildenafil price As with all medications, the cost of sildenafil can vary.