You might have seen Cialis — the (ED) drug — available in doses ranging from 2.5 mg to 20 mg. Surely, more is better right? Well, not always. Cialis 20 mg is an effective ED treatment, but so are the ...

Cialis is the medicine on the basis of tadalafil. The active component of the medicine reversibly selectively inhibits the cycle guanosine monophosphate cGMP that is the specific phosphodiesterase ...