Bisoprolol belongs to a group of drugs called beta-adrenergic blocking agents, more often known as beta blockers. As the name implies, these medications block beta receptors in the body. Beta receptors are located in a number of places, including the heart and blood vessels. Stress hormones (such as adrenaline) bind to these receptors and cause certain reactions in the body, such as:
At lower doses, bisoprolol helps to block a specific type of beta receptor called beta-1 receptors (at higher doses, it also blocks beta-2 receptors). By blocking beta-1 receptors, the medication causes the reverse effect of stress hormones. It decreases heart rate and systolic and diastolic blood pressure.
(Click Bisoprolol for more information about the specific effects of bisoprolol fumarate, when and how to take it, and potential side effects to be aware of.)
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed April 2, 2009.
Briggs GG, Freeman RK, Yaffe SJ. Drugs in Pregnancy and Lactation. 8th ed. Philadelphia (PA): Lippincott Williams & Wilkins; 2008.
National Library of Medicine (US). Drugs and Lactation Database (LactMED). NLM Web site. Available at: http://toxnet.nlm.nih.gov/cgi-bin/sis/htmlgen?LACT. Accessed April 2, 2009.
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