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Viagra has long been the only drug in the market to fight impotency. Many companies around the world started their work on similar impotency drugs. The long-awaited competitor to Viagra the Levitra drug has been satisfactorily approved by the Food & Drug Association of USA. According to new researches and studies made by the scientists, it has been confirmed that Levitra has proven to long lasting than Viagra in terms of effect with less side effects and obviously more safety.

Levitra was developed by Bayer and GlaxoSmithKline and was launched by in US in 2003 and took further the revolutionary work done by the miracle drug "Viagra". It proved beneficial in the treatment of erectile dysfunction in men, helping them by giving more options other than Viagra and other painful treatments that one used to undergo.

According to estimates, around 35 million men are affected by ED. By some estimates, some degree of ED affects more than 50% of men over the age of 40. Out of these numbers, only 15% take help from doctors.

Viagra and Levitra pills inhibit the PDE5enzyme necessary for a sexual stimulation. "That means that if you take a pill, then have sexual stimulation, the drug can magnify the natural erectile response. It allows the reaction to be more like sex should be."

The biochemical differences between the two drugs are that Levitra contains a more efficient enzyme inhibitor, so the person can take only a very small amount of the drug which is necessary.

All the three most common drugs (Viagra, Cialis, and Levitra) -- have their place in a physician's prescription and several other companies around the world are also working to develop new drugs daily with PDE5 inhibitors. To know more about Levitra visit: http://www.levitratalks.com/what_is_levitra.html

The difference between the three drugs was spotted by researchers very soon. When it starts working and how long it lasts are the major issues in these impotence drugs: according to the experiments done the wonder drug, Viagra takes about 30 minutes while its effect lasts for 4 hours. Cialis reaches maximum concentration in 24 hours, and the effects last for about 3 days. Levitra is faster-acting, reaching maximum concentration in 30 to 40 minutes, with the effects lasting about 16 hours. Also, Levitra doesn't carry one disconcerting visual problem that many men report with Viagra.

Hopefully, your concern about erections will translate into paying more attention to your overall health. It will give you the opportunity to have your physical symptoms evaluated to rule out many conditions that need to be addressed prior to prescribing Viagra, and now Levitra and Cialis for you. Your doctor will find that they are easy to prescribe, effective in most cases, and almost free of side effects. This is a wonderful advancement!

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