Generic Cialis Professional is a generic medication identical to the brand name drug with the same name. It is a new, enhanced formulation that helps men with erectile dysfunction achieve and maintain erection quicker and enjoy a longer sexual intercourse. The drug is a sublingual formulation of the well-known medication called Cialis. It is based on Tadalafil. It doesn’t require swallowing which is very convenient for people who have trouble swallowing pills and for spontaneous intercourses as it doesn’t require having a glass of water at hand and the effect of the drug starts to manifest in 20 minutes after you take the pill compared to one hour with the standard formulation. Read the complete medication guide below to find out more about the drug advantages, precautions, and interactions.