As a rule, the pharmaceutical market has different modifications of the drug with slightly different contents of inactive elements. Perhaps one of these modifications is so for the patient. In any case, a person should know all the facts of his health condition before buying Erectafil.
In order for a drug to be approved as a generic drug, it must meet certain requirements as it written in tadalafil 20 mg review . An important criterion is the bioavailability of a generic drug. Bioavailability shows how much and how quickly the active ingredient is absorbed by the body. A generic is only approved if the bioavailability is between 80 and 125 percent compared to the original