If Viagra has no effect is it possible that Cialis can?!
Question:
If Viagra has no effect is it possible that Cialis can?
Answers:
What works better Levitra or Viagra?
Levitra and Cialis work the same way as Viagra, blocking the same enzyme. Though it's unlikely any one works better than Viagra overall, slight chemical differences mean that if one brand doesn't work for a patient, another one might.
We tried to make a comparison of cialis, levitra and viagra and putted
the results into a simple table - http://www.viagra.su/difference-viagra-l...
I hope it'll be helpfull.