Jingo is the trade name, generic name is sildenafil citrate tablets, the general patient oral 50 mg, patients can follow the doctor’s instructions to adjust the dosage according to the actual situation, pay attention to take 1 hour before sexual intercourse. For most patients with erectile dysfunction, the recommended dosage of sildenafil citrate is 50 mg, taken on demand approximately 1 hour before sexual activity, but may be taken at any time within 0.5 to 4 hours before sexual activity, up to once daily. The recommended dose of sildenafil does not work in the absence of sexual stimulation. If the patient does not have a significant effect of 50 mg, you can follow the doctor’s instructions to take 100 mg, if the therapeutic effect is still poor, the patient must not be unauthorized to increase the dosage, it is recommended to go to the urology department or the male department to exclude organic lesions. If taking 50 mg has obvious therapeutic effect, later can follow the doctor’s advice to reduce the amount to 25 mg. Common adverse reactions to sildenafil citrate tablets mainly include headache, flushing, dizziness, nasal congestion, dyspepsia and visual abnormalities. The drug is forbidden to be used in combination with nitrates, 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. The exact dosage of Sildenafil Citrate Tablets is subject to consultation with a specialized doctor.