The most common of drugs of first choice for treatment of any form of organic and psychogenic erectile dysfunction today is Viagra, Levitra and Cialis. Let’s try to compare these generic drugs: what they have in common and what is the difference. The main common feature that unites them – is of course provided their assistance in erectile dysfunction, similar to the principle of the penis. The difference is used by the active substance: Viagra – Sildenafil, Generic Cialis – Tadalafil and Levitra – Vardenafil.
And so in order. They have similar operating principle, structure, contraindications, however there are some differences that require more careful consideration.
Viagra is the most studied and clinically studied medicine, he is in extensive use since 1998 and has already helped millions of men. Viagra is the commercial name of drug, which is the active ingredient Sildenafil. There are several identical forms of marketing of Sildenafil, such as Genagra, Syagrius, Konegra, Penimeks and capacity, and others. Normally, Viagra is available in coated tablets, 25 mg, 50 mg and 100 mg, which contain Sildenafil citrate, respectively 25, 50 and 100 mg. Read the rest of this entry »