long term use of viagra dependent
Viagra was an unchallenged player for a long time until the launch of Levitra. The one and only impotence drug, Viagra remained unthreatened for a long time. Some time after Levitra launch, people shifted loyalties and found Levitra worked better than Viagra even in lower doses. In reality, most people need 50mg or 100mg dosage of Viagra tablets for better results. 25mg Viagra does not seem to work for most. Whereas, Levitra comes in considerably dosage forms of 2. 5mg, 5mg, 10mg, and 20mg, with 10mg dose working effectively for most people..Next
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Necessity and inquisitiveness leads to innovation providing the answers for two words "why" and "how". The drug Viagra is introduced for the term impotence. Impotence is the incapability of a man to accomplish or maintain an erection sufficient for fulfilling his sexual desires or the needs of his partner, also named as erectile dysfunction. It is sad but true that Viagra does not cure erectile dysfunction; but it is just a drug for the treatment of male impotence. In order to satisfy people who failed in having the immense pleasure of love making due to erectile dysfunction, Viagra-pills were launched in 1998 in US being approved by FDA on March 27.
One thing is to be remembered is that it is only a sexual stimulator and it can’t provide immediate erection without any initiative taken by man or his partner in the form of foreplay. The mind blasting figures gives sufficient proof to the fact that viagra has broken all sales records where it was marketed and sold. An estimated 22 million couple used and reported more than satisfactory response for viagra. The mechanism action of viagra is same to any other branded tablet used to cure erectile dysfunction. Viagra comes under the class of drug called phosphodiesterase inhibitors. Sildenafil is a potent inhibitor of pde-5 present in viagra, the enzyme that acts in the corpora to break down cGMP.