Tadalafil (Cialis)
treat male erectile dysfunction (impotence), developed by the biotech firm ICOS and marketed worldwide by Eli Lilly. Cialis has FDA approval and appeared in
U.S. stores in December, 2003. Cialis has a multiyear promotional deal with professional golf ‘s PGA TOUR. The tablets are yellow and oval-shaped.
Cialis’s main selling points are that it works for up to 36 hours after being swallowed and that it can be taken with or
without food (Viagra works for some 4 hours). It has the same mode of action as sildenafil (Viagra), and vardenafil (Levitra).
12–24 hours after taking the drug. These side effects usually go away after a few hours, though back pain and muscle aches
Men taking nitrates or alpha blockers should not take Cialis because it could cause blood pressure problems. Some of the side
effects of the drug include back ache, stomach ache, muscle aches, or headaches. The company advises that in the rare event that