Sildenafil citrate Facts

Sildenafil was first developed by a group of pharmaceutical chemists working with Pfizer’s Sandwich’s Kent research facility in England. It was first used as the medication for hypertension and angina pectoris. Several clinical tests have been conducted at several establishments. However some of the results revealed that this drug has a positive effect upon the penile erection, which paved the way for this drug to be used as sexual medication.

After this revelation Pfizer has decided to market the drug as remedy for penile dysfunction rather than for angina. It was patented in 1996 approved to be used in erection dysfunction and launched in the market of USA latter that year itself. During the period of 1999-2001 the sales for the same has increased to $1 billion showing its success.

The physiological action involving the erection of penis in the human body system is the release of nitric oxide in the corpus cavernosum of the penis. However increase in the level of cyclic guanosine monophosphate, results in smooth muscle relaxation of the internal cushions of the helicine arteries, which results in the increased blood flow rate and erection of the penis.

Sildenafil acts as an inhibitor of cyclic guanosine monophosphate type 5 which is responsible for the degradation of cyclic guanosine monophosphate in penis hence increasing the blood flow and penile erection.

There are many websites selling these Viagra online. Most of the online selling websites don’t give all the detailed information about the Viagra. However some of the information is provided by almost all the websites. Most of the peoples prefer to buy these Generic pills online because of its easier steps of order. You can get all the required medical consultation on the web site itself before ordering. Instead its always better to consult your doctor in person which is always a better option over the online consultation. Before going to online shopping of Viagra it’s always better to research about the vendor you going to deal with. Also try to question about all the side effects of the product before ordering. Viagra should be taken under medical recommendation other wise it may end up with its severe side effects.

Hence there are many options for the purchase of the Viagra. Most people give privilege to buy online however it is very much recommended to take the consultation of your doctor before placing order for the same. Which may yield the best result otherwise it adds up with the severe side effects.

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