Cialis

Tadalafil is a drug used to treat erectile dysfunction (ED). It has been developed by the biotechnology firm ICOS and marketed by Eli Lilly and Company under the name Cialis. drug similar to sildenafil, sold under the name Viagra, differs from the latter in that the effect of tadalafil is longer, becoming functional until 36 hours, while Viagra is effective for 4 to 5 hours. For this reason it was called “the weekend pill”.

Tadalafil is an inhibitor drug of the enzyme phosphodiesterase type 5 (PDE-5), charged off the vasodilator nitric oxide, which is currently marketed in tablet form under the brand name Cialis. It has also recently been approved for the treatment of pulmonary arterial hypertension, and has been used for other conditions. Initially it was developed by ICOS Corporation, and then again developed and marketed worldwide by Lilly ICOS LLC, the “joint venture” of ICOS Corporation and Eli Lilly and Company. KEY tablets marketed enRepública Dominican and Nicaragua, they are red almond shaped. Cialis tablets, 5mg, 10mg and 20mg doses, are yellow film-coated and almond-shaped. The approved dose for pulmonary hypertension is 20 mg and is marketed under the brand name Adcirca.

In December 2003, the Agency for Food and Drug Administration approved Cialis for sale in the United States as the third drug prescription to treat, after delsildenafilo erectile dysfunction (Viagra) and vardenafil (Levitra). The efficacy of tadalafil persists for 36 hours, so he has earned the nickname “the weekend pill”. Such as sildenafil and vardenafil, tadalafil is recommended as a “drug as needed”. Cialis is the only one of the three drugs marketed with a once-daily dosing.

Source: wikipedia