Impotence drugs on severe competition in the market.

Following Viagra success other many analogues seem to overflow into the impotence drug markets such as Uprima by Abbott recently, Cialis by E. Lilly and Valdenapil by Bayer very soon.

Further to the above foreign multinational corporations, domestic drug companies like Dong-A, Whanin and Shinpoong are rushing into the market as well.

Abbott signed the distribution agreement with Il Yang r...