Tadalafil tablets generally do not have a delaying effect and have the ability to improve erectile function in men. Tadalafil tablets are a medication that can be used to treat conditions such as erectile dysfunction in men. Tadalafil tablets usually cause local release of nitric oxide through sexual stimulation, PDE5 is inhibited by tadalafil, and cGMP levels in the cavernous body of the penis are increased, which is able to relax the smooth muscle and blood flows into the penile tissues, producing an erection. Tadalafil tablets may cause back pain, myalgia, nasopharyngitis, dyspepsia and other discomforts. When using the drug, care should be taken to use it under the guidance of a doctor, and it is forbidden to use it for allergic individuals, pregnant women, children and other people. When using the drug, it should be used under the guidance of a doctor, not blindly self-medication to avoid adverse effects.