generic – prescribed benefits of generics to ED Treat Generic viagra are generic versions of the brand name viagra. These are drugs that have the same chemical, sildenafil citrate, viagra like included. Dosage, effectiveness and content are all the same, except for generic viagra is less expensive than the brand-name counterpart. When you buy generic viagra, you save almost 5 times! 20 doses of viagra costs costs about 5 to 0, but 0 for generic viagra more than 100 cans

Since most doctors can tell, there is no difference between the use of generic and brand-name drugs – . Except for the price you pay for it. Brand name drugs are expensive because the price, marked by the costs of research and development in the drug coverage. Generics do not have this disadvantage, because the costs were borne for the development of the drug by another pharmaceutical company. All other company has to do is to copy the process and they can be a cheaper version of the same medicine. Of course, the original manufacturer of the drug will be filed on patents, other companies prevents them from producing the same drug unless the drug has expired /> When will the Pfizer patent on viagra?

In some countries like Brazil, people have to buy generic viagra in June this year. This is done following a ruling by the Supreme Court of Brazil, the drug that Pfizer’s patent if the company initially filed in June 1990 at Pfizer’s claim that the drug was only completed in 1991 opposed the patent began.

how does the drug work

sildenafil citrate, works by blocking PDE5, an enzyme responsible for reducing the production of another substance in the body, which in turn increases cyclic guanosine monophosphate blood flow by relaxing the smooth muscles of the body. Relaxed vascular smooth muscle vasodilation, resulting in increased blood flow to the penis results -. Assembly and thus

dosage of the drug

sildenafil in 25 can be taken 50 to 100 mg tablets. It is should be taken only once per day between 30 minutes to 4 hours before intercourse.

side effects and contraindications of the drug

Common side effects of the drug are headache, colds, digestive disorders, some form of redness or flushing of the face, eyes and impairments such as blurred vision, loss of peripheral vision and cyanopsia. Less common side effects such as severe drop in blood pressure, heart attacks happen, stroke, hearing loss and priapism. Priapism is a condition that the penis is flaccid or will not return again for the presence of physical stimulation is removed or after intercourse is completed.

If you want to buy generic viagra, you should contact your doctor, because some substances can not be taken together with sildenafil citrate. These substances include nitric oxide or organic nitrates such as nitroglycerin, sodium nitroprusside, amyl nitrate or better known as “poppers”. Those who protease inhibitors to treat HIV also should contact their physician as protease inhibitors may increase significantly the duration and severity of side effects.