FINASTERIDE; TADALAFIL treats the symptoms of an enlarged prostate (benign prostatic hyperplasia). It works by decreasing the size of the prostate. It also relaxes muscles in the prostate and bladder, which makes it easier to urinate. Get Entadfi for as low as $553.20, which is 24% off the average retail price of $726.99 for the most common version, by using a GoodRx coupon.