The generic name of Viagra is sildenafil citrate and patients with mild prostate enlargement can apply this drug. If the patient has obvious localized pain and difficulty in urination and other symptoms, this drug should not be applied. Sildenafil Citrate is mainly used for the treatment of erectile dysfunction. According to the relevant contraindications of the drug specification, it is not clearly stipulated that patients with prostatic hyperplasia should not apply this drug. As long as the patient’s condition is good and there are no contraindications mentioned above, the application of this drug can be considered. If the patient has severe prostatic hyperplasia, obvious pain and discomfort, difficulty in urination and other symptoms, then the application of this drug should be avoided. This drug may trigger prolonged erection of the penis, leading to prolonged congestion of the prostate gland, which in turn exacerbates the condition. After using the drug, some patients may experience adverse reactions such as nausea, dizziness, loss of appetite, skin rashes and visual abnormalities. This drug is prohibited for those who are allergic to this product, during the application of guanylate cyclase agonists and nitrate drugs; patients with severe cardiovascular and cerebrovascular diseases, retinitis pigmentosa, sickle cell anemia, etc., should use this drug with caution. Whether patients with prostate hyperplasia can apply this drug must follow the doctor’s instructions. If any adverse reaction occurs after the use of the drug, you should seek medical treatment as soon as possible.