Generics (sometimes using the names of the original drug and drug-analog) – a medicine containing the same active ingredient as the original drug, which is intended to treat the same disease states and as efficiently, safely and efficiently as drug-original. Generic Viagra to enter the market after the patent protection of original drugs if the medication with the same active substance can produce and other drug makers. The manufacturer of Generic Viagra must prove that the drug contains the same active ingredient and the exact same amount as the original drug, and it has on the body the same effect as the drug-original. Last proved bioequivalent surveys or studies, which determined whether the body acts the same amount of active ingredient of the original drugs and generic drugs, and whether changes over time, the amount of active substance in the body the same way in the case of both drugs. Bioequivalent drugs form the same number of receiving the same concentration of the active substance in the body.
The manufacturer of Generic Viagra must also prove that the manufacturing process meets the requirements. Because this product from another manufacturer medication, there is no need to externally medication was the same as a cure-original.
Please note that with medication, therapy for erectile dysfunction, it should be noted that Viagra is not advisable to mix with alcohol intake and fatty foods, because it can reduce the quality of its action. Levitra and Cialis have no such restrictions.
Thus the Generic Viagra may differ from the original drug in terms of auxiliary substances and appearance, but cannot differ in terms of performance impact, quality and safety