Propecia is used for:
Treating certain types of male pattern hair loss (androgenic alopecia) in men.
Propecia is a steroid reductase inhibitor. It works by reducing the amount of the hormone dihydrotestosterone (DHT) in the body. This may block certain types of hair loss in men.
Do NOT use Propecia if:
* you are allergic to any ingredient in Propecia
* you are pregnant or may become pregnant
Contact your doctor or health care provider right away if any of these apply to you.
Before using Propecia :
Some medical conditions may interact with Propecia . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
* if you are planning to become pregnant or are breast-feeding
* if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
* if you have allergies to medicines, foods, or other substances
* if you have a narrowing or blockage in the urinary tract, prostate cancer, or trouble urinating
* if you have a history of abnormal liver function tests or liver...