Jingo is the trade name and the generic name is Sildenafil Citrate Tablets, and its potency has is usually around 0.5 to 4 hours. Sildenafil citrate tablets are suitable for erectile dysfunction, and its effectiveness can usually be maintained for about 0.5 to 4 hours after the medication is administered. However, due to individual differences, if the patient absorbs the drug better, its efficacy may also exceed the above time range. Therefore, the duration of efficacy of Sildenafil Citrate Tablets cannot be generalized. Patients may experience adverse reactions such as headache, flushing, facial edema, dyspepsia, urinary tract infection, cystitis, arthropathy, etc. after administration of the drug. This product should not be combined with guanylate cyclase agonists. This product should be contraindicated in patients taking nitrate drugs either intermittently or regularly, and is contraindicated in those who are allergic to this product. If you want to know the exact duration of effectiveness after taking Sildenafil Citrate Tablets, you can go to the regular hospital to consult your doctor and clarify the relevant matters.