Purellan is finasteride tablets, kidney disease patients can take finasteride tablets, but need to follow the doctor’s instructions for medication. Finasteride tablets instructions point out that the drug does not need to adjust the dose of the drug for non-dialysis patients with renal impairment, because studies have proved that protein binding is not changed in patients with renal dysfunction. Adverse drug reactions to this drug have not been seen to affect or damage the kidneys. Therefore, patients with kidney disease can take Finasteride tablets. Finasteride tablets are used for the treatment and control of benign prostatic hyperplasia, it can reduce the incidence of acute urinary retention, it can shrink the enlarged prostate, and it is suitable for the treatment of prostatic hypertrophy. Adverse effects of Finasteride Tablets include impaired sexual function, breast discomfort, rash, impotence, ejaculation disorders, urticaria, rhabdomyolysis, myopathy, depression, and anxiety. This product is not suitable for children, women, and is contraindicated in people who are allergic to the product, pregnant people. It should be noted that patients with large amounts of residual urine and/or severe decreased urine flow should be closely monitored for obstructive urinary tract disease. It is recommended that patients with kidney disease take medication under the guidance of a physician doctor, do not self-medicate.