They have a yellow color, a round shape and a biconvex surface. The main active ingredient of the drug is tadalafil, its content in one tablet is 5 and 20 mg. It also contains excipients, to whichth include: Magnesium stearate. Lactose monohydrate. Sodium lauryl sulfate. Hyprolosis. Titanium dioxide. Croscarmellose sodium. Triacetin. Iron oxide is yellow. Hypromellose. Cialis tablets are packaged in an aluminum foil blister of 1, 2, 4, 8 or 14 pieces. The cardboard box contains 1 or 2 blisters with tablets, as well as instructions for the use of the drug.

The main active ingredient of Cialis tablets tadalafil improves the erectile function of the penis, increasing blood flow to the corpus cavernosum. This is due to the suppression of the enzyme phosphodiesterase 5, which in turn leads to the accumulation of nitric oxide in the corpus cavernosum. Nitric oxide stimulates the accumulation of cyclic guanine triphosphate (cGMP), which reduces the tone of the walls of the vascular bed, expands their lumen, and also expands arterial vessels, helping to increase blood flow to the cavernous bodies of the penis with improved erection.