If you are taking sildenafil to treat PAH, you will probably take sildenafil three times a day with or without food. It’s available in 50 mg, mg, and mg tablets. Do not mix the liquid with other medications or add anything to flavor the medication. Brand names Why is this medication prescribed? Here are some key factors to consider when deciding: Pricing: Know how much your monthly supply will cost with shipping and tax. This increased blood flow can cause an erection. 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.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 . AdTry Promescent® male prolong spray & enhance sexual duration and climax satisfaction. Developed by Urologists, recommended by thousands, used by millions Day $ Back Guarantee · Effective And Easy To Use · Free Discreet ShippingTypes: Climax Control Spray, Water Based Lubricant, Silicone Based Lubricant. You should store Viagra at a temperature of 77°F (25°C). If needed, you can store this medication between 59°F and 86°F (15°C and 30°C) for a short period of time.