Tadarise is a medication used primarily for treating erectile dysfunction (ED). It contains tadalafil, which is a phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by blocking the enzyme phosphodiesterase type 5 (PDE5). This enzyme is responsible for the breakdown of cyclic guanosine monophosphate (cGMP), a substance that helps relax the smooth muscles and dilate blood vessels in the penis. Tadarise helps men with erectile dysfunction (ED) by enabling them to achieve and maintain an erection sufficient for sexual activity. It does not cause an erection on its own but facilitates the process in response to sexual arousal.