A pretest was carried out on 5 sildenafil users that came to two randomly selected pharmacies in the town. Epistaxis was reported higher in sildenafil-treated patients with a concomitant oral vitamin K antagonist. If you see air bubbles in the syringe, repeat the steps. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. Storage Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.For oral dosage forms (suspension or tablets): Adults—20 milligrams (mg) 3 times a day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 80 mg 3 times a day. Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. The Savings Offer and Program expire on 12/31/ For further information, call , visit , or write: Viatris Inc., P.O. Box , Mission, KS See risks & benefits. Learn more about what VIAGRA® (sildenafil citrate), a prescription treatment for ED. Find the best sildenafil citrate or revatio prices near you now with our cost comparison tool and start saving today. Open Singup. Store & manage your medication list. .