Propecia blocks the formation of DHT.

保法止阻断了双氢睾酮的形成.

Propecia blocks male hormones that contribute to hair loss.

保法止阻止引起脱发的男性激素产生作用.

Propecia was approved by the FDA as a prescription drug in 1997.

保法止在1997年被FDA认定为处方药.

The company said information advising patients who undergo a serum PSA test to tell their doctor if they are taking Propecia has been included for consumers since initial product approval.

该公司说，自产品首次被批准后，产品信息一直告诫消费者，进行血清PSA检测时，要告知医生是否在用Propecia。