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Dictionary of Cancer Terms

View in Spanish: Antagonista alfa adrenérgico

Alpha-adrenergic antagonist (AL-fuh-A-dreh-NER-jik an-TA-guh-nist)
A substance that relaxes muscle tissue in blood vessels and in the prostate gland, which improves the flow of urine and blood. Alpha-adrenergic antagonists are used to treat the symptoms of many conditions, such as benign prostatic hyperplasia (BPH), high blood pressure, and some blood circulation problems. Also called alpha-blocker.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.