Prolix is the trade name, generic name Finasteride, its usually used for the treatment of prostate hyperplasia, the drug works slowly, usually take 3 months to see the effect, but everyone reacts differently to the drug, so there is no exact answer to the specific time to see the effect. Finasteride is an anti-androgen drug that mainly inhibits prostate enlargement. The drug is indicated for the treatment and control of BPH as well as for the prevention of urinary events. Some patients taking this medication may experience adverse reactions such as breast enlargement, breast pain, skin rash, and decreased libido. It should be noted that the drug is not suitable for women and children, in addition, the drug needs to be taken consistently for a long period of time, do not blindly stop taking the drug on your own. It is recommended that patients who need to take the drug under the guidance of a doctor to use the drug, so as to avoid adverse consequences.