The actual finasteride tablet is a treatment for male prostate enlargement that takes at least 3 months to take effect and at least 6 months to maintain. The actual fact is that you will need to take other medications to improve the symptoms of the enlarged prostate gland that causes difficulty in urination. The actual fact is that you will need to go to the hospital and be evaluated before you can take the medication. For patients with sodium retention edema or cardiovascular system disease, or patients with prostate cancer, the medication may aggravate the sodium retention in the body. The lowering of serum PSA levels during the course of the medication may mask prostate cancer in its early stages and prevent early detection. Therefore, it is necessary to take the medication as prescribed by the doctor for a period of at least 3 months in order to achieve the effect.