I am satisfied with Viagra effect, but sometimes I feel some strange pain in muscles and I don't understand why - because I worked like a crazy in a bed,or it is side effect of pills? Anyway, I'm happy with the result.
A huge part of a brand drug price consists of research and development costs, and advertising. Drug companies that produce generic versions simply buy chemical ingredients and spend money on production. Thus they can sets lower prices on their products.
Problems with skin you will solve with medications from this category.