Finasteride tablets lead to decreased sexual function the usual approach is to change the medication, and can be appropriate to use sildenafil and other drugs for impotence. Finasteride is a 5α-reductase inhibitor, which can block the conversion of testosterone to the more active dihydrotestosterone in the body, thus controlling BPH. Dihydrotestosterone is the main androgen in the male body and plays a role in maintaining libido and sexual function; therefore, finasteride may cause a decrease in sexual function. At this point, exogenous supplementation of dihydrotestosterone will inevitably aggravate prostate enlargement. Therefore stop the medication and discontinue it and replace it with another medication. The condition usually recovers slowly after discontinuation of the drug. Patients can also use medications such as sildenafil to improve erectile dysfunction under medical supervision. This product is not suitable for women and children and is not intended for use in people who are allergic to this product. The drug is a prescription medication and should be taken strictly on medical advice.