Viagra is the trade name, generic name for sildenafil citrate tablets, sildenafil citrate tablets price is generally in the 200 ~ 800 yuan, there is no uniform selling price of this statement. Sildenafil citrate tablets are commonly used in the treatment of erectile dysfunction, can promote the release of nitric oxide in the penile corpus cavernosum and other effects. Usually, the price of Sildenafil Citrate Tablet is 200~800 dollars. However, due to the different grams in the box of Sildenafil Citrate Tablets, the price of the drug with more grams will be higher. In addition, the price of Sildenafil Citrate Tablets may also differ if the region, hospital, drug specification, sales channels and so on are different. Therefore, there is no such thing as a uniform selling price for Sildenafil Citrate Tablet. The adverse reactions of this drug mainly include headache, flushing, dizziness, nasal congestion, dyspepsia, visual abnormalities, etc.; this drug is prohibited for women, those who are allergic to this product, children, those who should not have sex in recent cardiovascular status, and those who are taking nitrate drugs. For people who need to use sildenafil citrate tablets, it is recommended to consult a doctor in a regular hospital to learn about the relevant matters, and according to the individual situation, under the guidance of the doctor to use the drug.