Definition: 5-alpha-reductase inhibitors are drugs used to treat an enlarged prostate or BPH. They work by shrinking the prostate and improving urinary symptoms.
Pronunciation: FIVE al fa RE duck TASE IN hib it ors
Also Known As: inhibitors of 5-alpha-reductase, alpha blockers
Examples:There are several 5-alpha reductase inhibitors that are on the market to treat an enlarged prostate. You can get generic or brand drugs.