Why use viagra?

Viagra has proved the happiest accident in medical research history. On clinical trials for a different use, this unexpected side effect has restored confidence to men around the world.

At one time or another during their lives, the majority of men fail to get an erection. For most, this is an isolated event. Where it becomes a more regular problem, viagra is the answer. The most usual cause of erectile dysfunction is the body’s production of PDE5. Viagra stops PDE5 from appearing in your blood stream and your body works as it was supposed to do. When your partner stimulates you, you respond with a full, firm erection and can penetrate with your usual skill.

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How should you use viagra?

For most men, there are no problems in using viagra. It comes in tablet form. You take the pill, with or without food as you prefer, about half an hour before you expect sexual activity. You should then have about four hours in which to enjoy sex. Remember that if you take the pill on top of a full stomach, it may take longer to work. Taking it on top of alcohol can also make you drowsy (which is not so desirable).

You need to be very careful if you have problems with your blood pressure and take any of the standard medications to control it. Viagra works by dilating your arteries. This can cause your blood pressure to drop. When you add two different medications with the same properties together, this has a additive effect and it can cause you to have a sudden drop in pressure. You may become unco-ordinated and may faint. There are also potential problems if you have had a heart attack or stroke recently. There are difficulties in the interaction with some of the medications you may be prescribed and a doctor should advise on dosages.

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What is the research evidence on viagra?

Over the last ten years, there have been more than twenty full-scale clinical trials around the world involving thousands of participants. All these trials use the double-blind system and placebos. This means that half the participants are given the real drug. The others get a pill that looks the same but is chemically inert. The researchers compare the results from the two groups. Viagra has consistently proved highly effective in every trial with relatively few side effects. The evidence is that, when you buy viagra, you have taken the first step to restoring the quality of your sex life.