The main function of Tadarise is to increase blood flow to the penis during sexual stimulation, facilitating the ability to achieve and maintain an erection. It helps relax the blood vessels in the penis, allowing for improved blood circulation and enhanced erectile function. The specific dosage of Tadarise and the instructions for use may vary depending on the strength and formulation of the medication. It is important to follow the recommendations provided by your healthcare professional or the instructions on the medication packaging.