Jingo is the trade name and the generic name of the drug is Sildenafil Citrate, the drug is recommended to be taken as needed, 50 mg a day is not recommended, it can easily lead to drug buildup. Sildenafil citrate belongs to the group of medications that treat male impotence by increasing blood flow to the penis during erection. The drug is recommended to be taken on demand before the start of sexual intercourse, its recommended initial dose is 50 mg and it is taken up to once a day, it is not recommended to use the drug every day in a row, it should be given every other day to prevent the accumulation of the drug which can cause related side effects. Side effects that commonly occur with the use of this drug include flushing, dizziness, headache, nasal congestion, visual abnormalities, back pain, indigestion, etc. It is contraindicated for those who are allergic to sildenafil and it should not be used with nitrate drugs. It is recommended to take sildenafil under the guidance of a physician, and should not be used blindly to avoid adverse consequences.