Jingo is the trade name, the generic name is sildenafil citrate tablets, this product is recommended to take the whole tablet, only one-sixth of the dose can not reach the effective dose, the efficacy of the treatment is very poor or ineffective. Sildenafil Citrate is mainly used for the treatment of erectile dysfunction in men, and its common sizes are 25mg/tablet, 50mg/tablet and 100mg/tablet. Since it is difficult for patients to divide the tablets evenly at home by themselves, it can lead to inaccurate dosage. Therefore, it is recommended that the entire tablet be taken, with a minimum effective dose of 25 mg. taking only one-sixth of a tablet will not achieve the minimum effective dose and will not produce significant results. Adverse reactions to this product include nasal congestion, visual abnormalities, nausea, rash, headache, dizziness, and myalgia.This product is contraindicated in people with a known allergy to this medication, as well as in patients taking nitrates. It is recommended to take it under the guidance of a doctor and should not be taken blindly to avoid affecting the therapeutic effect.