Why Do People Take Viagra? Viagra (sildenafil) relaxes muscles and increases blood flow to particular areas of the body. Viagra pills are blue and diamond-shaped with the word "Pfizer" engraved on one side, and "VGR xx" (xx stands for "25", "50" or "100", the dose of that pill in milligrams) engraved on the other. low cost viagra If you condition(s) get worse while taking Viagra, stop taking the drug and contact your doctor immediately for further advise. Altitude sickness - Viagra has been shown to be useful for the prevention and treatment of high-altitude pulmonary edema associated with altitude sickness such as that suffered by mountain climbers.
