Viagra is commonly known as Viagra, this drug is better and has a good effect on improving the symptoms of impotence and premature ejaculation in men. So when men experience a decline in sexual function, they can choose this drug to improve. But this drug has more serious side effects, such as may cause the patient’s kidneys and liver, functional impairment, so it is generally not recommended that patients take the drug for a long time to improve sexual function. It is recommended that patients with sexual dysfunction should go to the hospital in time for a relevant examination to clarify the specific diagnosis, and then under the guidance of the doctor to carry out reasonable treatment, which can effectively improve the situation of sexual function decline. At the same time, it is recommended that patients who take Viagra, but also under the guidance of the doctor to use the drug, can effectively avoid the side effects of Viagra, so as not to cause other damage to the organism.