Jingo is the trade name, generic name is sildenafil citrate tablets, severe renal insufficiency often eat sildenafil citrate tablets may damage the kidney, other people eat sildenafil citrate tablets mostly will not damage the kidney, taking sildenafil citrate tablets may have adverse reactions, it also has contraindications, should be guided by a doctor to use the drug. If you have severe renal insufficiency, creatinine clearance may be significantly reduced after taking Sildenafil Citrate Tablets, aggravating kidney damage, and kidney damage will be more serious if you take Sildenafil Citrate Tablets frequently. However, the kidney function is normal or belongs to mild or moderate renal insufficiency people, taking sildenafil citrate tablets kidney usually has no obvious damage. There may be adverse reactions such as flushing, dizziness, headache, vomiting, rash, visual abnormalities after taking Sildenafil Citrate Tablets. Sildenafil Citrate Tablets are contraindicated in patients taking nitrate and guanylate cyclase agonist drugs, and in those who are allergic to the ingredients of Sildenafil Citrate Tablets. Sildenafil Citrate Tablets should be taken under the guidance of a doctor, and should not be used arbitrarily.