should be taken within an hour of planned sex and in most cases it helps you to get an erection in about 30 minutes that will last for around 4 hours, provided you are sexually aroused. Tadarise tablets 5mg do not work if you are not aroused. Buy Tadarise 60 mg (generic Cialis) contain tadalafil, a phosphodiesterase type 5 (PDE5) inhibitor, used to treat erectile dysfunction in men (impotence). When taken before planned sexual activity, tadalafil in Tadarise tablets 5mg inhibit the breakdown (by the enzyme PDE5) of a chemical called cGMP, produced in the erectile tissue of the penis during sexual arousal, and this action allows blood flow into the penis causing an erection. ©