Jingo is also called sildenafil citrate tablets, taking sildenafil citrate tablets twice a day will lead to generalized weakness, lack of mental concentration and other manifestations of kidney deficiency, and in serious cases, the penis will have a persistent state of erection, and if not rescued in time, it will affect the sexual function and even impotence will occur. 1. Taking sildenafil citrate tablets twice a day will lead to body weakness. There is mental fatigue, depression, listlessness, lack of concentration in study or work, and even lethargy, pale face, two eyes, emaciation, emaciation. 2. The most serious situation of taking sildenafil citrate tablets twice a day is the emergence of a persistent state of erection. It is the state of sustained erection for more than 4 hours, if the erection still can not be weak, even if the discharge of semen still can not be weak, is called abnormal erection, is a kind of male emergency, need to quickly to the hospital for treatment. If the erection phenomenon cannot be dealt with, it may lead to damage to the penis in time, and the function of the penis will be reduced, and there is a possibility that it may affect the sexual function of men. If the cavernous body of the penis atrophies, has scars and fibrosis, permanent impotence is formed. The drug is prohibited in combination with nitrate drugs, it is contraindicated in women, people who are allergic to the product, children, people whose recent cardiovascular state does not allow them to have sex. Patients taking sildenafil citrate tablets should consult a doctor before using the drug and take it under his guidance, not blindly on their own. In daily life, patients need to exercise more, enhance resistance, eat more vegetables and fruits, drink more water, pay attention to rest, avoid overwork.