Finasteride can be taken with calcium tablets, but it is recommended to take them about half an hour apart. 1. Finasteride can treat androgenic alopecia, can promote hair growth, prevent persistent hair loss; benign prostatic hyperplasia has a certain therapeutic effect, so that the size of the prostate gland is reduced, so that the urinary symptoms have been improved to some extent. 2. Finasteride should not be given to children, pregnant women, women who may be pregnant, women who are breastfeeding and people who are allergic to finasteride. It should be used with caution in people with abnormal liver function, prostate cancer, overactive bladder, and urethral stricture. 3.Adverse reactions after using Finasteride: Abnormal ejaculation, pain to touch and enlargement of the breasts, depression, allergic reactions, testicular pain and other symptoms can occur. Therefore, this product needs to be used with caution under medical supervision. It is recommended that patients promptly go to the hospital, under the guidance of the doctor to standardize the choice of drug treatment, avoid self-medication.