Read and follow these instructions carefully before you start using sildenafil and each time you get a refill of your medicine. It works for up to 36 hours. No dose adjustment is required for mild to moderate hepatic impairment. Some examples of nitrates are nitroglycerin Nitro-Dur, Nitrostat, others , isosorbide mononitrate Monoket and isosorbide dinitrate Bidil. Keep out of the reach of children. You could also ask your pharmacist for advice on other ways to help you remember to take your medicine. Oral ED medications are generally well-tolerated, Dr.The Savings Offer and Program expire on 12/31/ For further information, call , visit test1.ru, or write: Viatris Inc., P.O. Box , Mission, KS See risks & benefits. Learn more about what VIAGRA® (sildenafil citrate), a prescription treatment for ED. Although erectile dysfunction (ED) may be an upsetting diagnosis for some, many people find their condition is treatable with Viagra — sometimes called the “little blue pill” — and it’s generic. Valid at all major chains including Walgreens, CVS Pharmacy, Target, WalMart Pharmacy, Duane Reade and 65, pharmacies nationwide. No manufacturer promotions could be Missing: sell.