Citrate Tablets ( Citrate Tablets, short for ), commonly known as "" [1], is the world's first oral PDE5 inhibitor (type 5 sdiesterase inhibitor), used for the treatment of male erectile dysfunction (also called impotence or ED). It has made a revolutionary progress in promoting ED treatment and effectively improved the penile erection. Degree.Wan AI can be listed for more than 10 years. The oral medicine represented by is recommended as a first-tment for ED (such as the United States, Europe, China, Japan, etc.) by a medical guide from several countries and regions.At any time, patients who are taking any form of nitrate ester must not take at the same time. Including nitroglycerin. If the combination of and any nitroglycerin is used, the blood pressure of the patient may suddenly drop to an unsafe or life-threatening level.