What are possible viagra side effects?


What are possible viagra side effects?
In 1998 drug manufacturer, Pfizer, started production of its worldwide known drug for treatment of erectile dysfunction - viagra. With a half of men of middle age suffering from sexual problems (including erectile dysfunction of different degree) viagra brought a huge success to its producer. Despite the high price of drug the amount of sold viagra was huge. Later so-called generic viagra appeared. It is produced by manufacturer worldwide and cost less then brand name viagra produced by Pfizer. Soon after beginning of manufacturing of viagra side effects have appeared. Most of the viagra side effects are not that serious. One of the usually reported viagra side effects is a headache. Some visual problems may occur as viagra side effects including blurring and increased sensitivity to light. Viagra side effects may also include problems with gastrointestinal tract like dyspepsia and diarrhea. Such gastro- problems are usually reported by people who take viagra. But there might be more serious viagra side effects that will need a medical care. Viagra side effects like rash or burning during urination mean that you have an allergic reaction. In case of more serious viagra side effects like painful erection or erection that long more that 3-4 hours you should be send to a hospital immediately otherwise they might cause damage of penis. Most of the viagra side effect will be gone if the dosage is reduced - you need to consult with you doctor about that. Before taking viagra you should know all its possible side effects and how serious they might be.