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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Alfabloqueador

Alpha-blocker (AL-fuh-BLAH-ker)
A substance that relaxes muscle tissue in blood vessels and in the prostate gland, which improves the flow of urine and blood. Alpha-blockers 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-adrenergic antagonist.



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