These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. If you become pregnant while taking sildenafil, call your doctor. To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and site usage information with other information we have about you. Children 1 year of age and older weighing 45 kilograms kg or more—20 mg 3 times a day. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates.Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). The drug comes as a tablet you’ll take by swallowing. It’s usually taken as needed about 1 hour. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the . AdWe Have Health & Personal Care Items From Hundreds Of Popular Brands In Stock For You. Get Deals and Low Prices On viritenz On test1.ru has been visited by 1M+ users in the past monthTypes: Pharmacy, VigRX Prostate Support, Natural Male Enhancement, VigRX Plus and more.