Finasteride is used for Hair loss, Benign prostatic hyperplasia. Know it’s uses, side effects, reviews, composition and precautions only on 1mg . Finasteride tablet uses include treating hair loss and prostate issues. Know the finasteride tablet dosage, 1mg uses, and possible 1mg side effects. Finasteride is used in the treatment of hair loss and benign prostatic hyperplasia. It treats early forms of male pattern hair loss (also known as androgenetic alopecia). Finasteride is a 5-alpha reductase inhibitor. Finax tablet is used only in men in the treatment of benign prostatic hyperplasia (BPH). This is a condition in men where the prostate gland is enlarged, making it difficult to pass urine. Finax tablet is also used for the treatment of male pattern hair loss. It contains finasteride as its active component.