What is Cialis and how is it used?
Cialis is a prescription medication primarily for the treatment of erectile dysfunction (ED) and belongs to the class of phosphodiesterase type 5 inhibitors. Its active ingredient, tadalafil, inhibits the action of PDE5 enzymes, responsible for the breakdown of cyclic guanosine monophosphate in the smooth muscle cells of erectile tissue.
By blocking PDE5,...
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