While most side effects with Viagra are rare and mild men should still watch out for them. Viagra does not increase the response of erectile dysfunction. Viagra helps many men continue to enjoy an active sex life. Viagra is a blue diamond-shaped tablet which prescribed to treat men suffering from erectile dysfunction. Talk to your doctor if you have an allergic reaction to it or are allergic to any ingredient in this product. This can be difficult. We want from the internet drug store. There are some bogus operations that are offering cheap Viagra on the Internet. Ask questions of his medical practitioner before taking the tablet.