Sildenafil citrate, sold under the name Viagra is the first of a new group of medication which allows adequate sexual stimulation, relaxes the blood vessels of the penis and helps erection. Sildenafil tablet should be taken once a day. The time necessary for Sildenafil to exercise its action is about half an hour. The effect is maintained for about four hours.
The effect is only obtained with a satisfactory sexual stimulation.
The difference between a brand name medicine like Viagra and a generic one like Generic Viagra (Sildenafil) is in the name, shape and in the price. A generic drug like Generic Viagra is usually called by the name of the active ingredient Sildenafil while a manufacturer uses a brand name like Viagra. However, a manufacturer cannot possess a patent for a certain chemical agent, this is why manufacturers of generic medications like Generic Viagra can legally produce the so-called "generics". Generic Viagra is the same chemically as brand Viagra and since the active ingredient Sildenafil is identical, they have the same medical effect.
The difference between a brand name medicine like Viagra and a generic one like Generic Viagra (Sildenafil) is in the name, shape and in the price. A generic drug like Generic Viagra is usually called by the name of the active ingredient Sildenafil while a manufacturer uses a brand name like Viagra. However, a manufacturer cannot possess a patent for a certain chemical agent, this is why manufacturers of generic medications like Generic Viagra can legally produce the so-called "generics". Generic Viagra is the same chemically as brand Viagra and since the active ingredient Sildenafil is identical, they have the same medical effect.
