How good one of competitors of viagra levitra is?


How good one of competitors of viagra levitra is?
More then 30 million men in United States (and about 175 million all over the world) suffer from impotency (male erectile dysfunction). That is why viagra is a very popular drug. Statistic says that although the price was high ($10 in United States 16 euro in European countries) about 30000 Pfizer pills scripts were written in first tree months of production. Many people worldwide buy viagra levitra but it is still in demand. That is a great field for viagra competitors of viagra levitra and cialis. These products are manufactured by Bayer and GlaxoSmithKline partnership and Eli Lilly ICOS Corporation. Like viagra levitra and cialis mechanism is to increase the blood flow so they can be used by healthy men to increase their performance. And as women use viagra levitra and cialis can also be taken by women. But unlike viagra levitra and cialis affect usually lasts longer and these drugs for erectile dysfunction treatment also start to work more quickly. Unlike viagra levitra and cialis do not interact with alcohol or any food, which is much better. Because of these facts Pfizer tried to block production of main competitors of viagra levitra and cialis in United States but no great result have been achieved in that field. To decide what impotency treatment to take drug or competitors of viagra levitra or cialis you has to consult with your doctor.