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	Search Quick Order Form» Departments Vitamins Minerals Supplements Herbs Home & Grocery Diet & Fitness Body & Bath More Ways to Shop Brands A-Z Natural Remedies Children & Infants Women's Health Men's Health Seniors Free Catalog MotherNature.com's Catalog Is Here! Click Here to Get Your Free Copy Today. Newsletter Sign Up Weekly health news, sale announcements and coupons!		Library Home > Safetychecker by Drug Name > Beta-Adrenergic Blockers BETA-ADRENERGIC BLOCKERS Introduction Safetychecker summary Vitamin interactions Herb interactions References Visit The Healthy Living Bookshelf: 21 Online Health Books From Rodale Beta-adrenergic blockers or “beta blockers” are a family of drugs used to treat high blood pressure, angina, heart arrhythmia, tremors, alcohol withdrawal, glaucoma, and other conditions. They are also used to prevent migraine headaches, stage fright, and second heart attacks. Interactions that are common to all beta-adrenergic blockers are described below. For interactions involving a specific beta-adrenergic blocker, refer to the highlighted drugs listed below. Oral forms Acebutolol (Sectral®) Atenolol (Tenormin®) Betaxolol (Kerlone®) Bisoprolol (Zebeta®) Carteolol (Cartrol®) Esmolol (Brevibloc®) Labetalol (Normodyne®, Trandate®) Metoprolol (Lopressor®) Nadolol (Corgard®) Penbutolol (Levatol®) Pindolol (Visken®) Propranolol (Inderal®) Sotalol (Betapace®) Timolol (Blocadren®) Ophthalmic forms Betaxolol (Betoptic®) Carteolol (Ocupress®) Levobunolol (Betagan®) Metipranolol (OptiPranolol®) Timolol (Timoptic®) Safetychecker Summary for Beta-Adrenergic Blockers (for details about the summarized interactions, read the full article) Avoid: Adverse interaction—Avoid these supplements when taking this medication because taking them together may cause undesirable or dangerous results. Potassium supplements High-potassium foods Pleurisy root Depletion or interference None known Side effect reduction/prevention None known Supportive interaction None known Reduced drug absorption/bioavailability None known Interactions common to many, if not all, Beta-Adrenergic Blockers are described in this article. Interactions reported for only one or several drugs in this class may not be listed in this article. Some drugs listed in this article are linked to articles specific to that respective drug; please refer to those individual drug articles. The information in this article may not necessarily apply to drugs in this class for which no separate article exists. If you are taking a Beta-Adrenergic Blocker for which no separate article exists, talk with your doctor or pharmacist. Interactions with Dietary Supplements Potassium Some beta-adrenergic blockers (called “nonselective” beta blockers) decrease the uptake of potassium from the blood into the cells,1 leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia.2 People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (e.g., bananas), unless directed to do so by their doctor. Interactions with Herbs Pleurisy root As pleurisy root and other plants in the Aesclepius genus contain cardiac glycosides, it is best to avoid use of pleurisy root with heart medications such as beta-blockers.3 References: 1. Rosa RM, Silva P, Young JB, et al. Adrenergic modulation of extrarenal potassium disposal. N Engl J Med 1980;302:431–4. 2. Lundborg P. The effect of adrenergic blockade on potassium concentrations in different conditions. Acta Med Scand Suppl 1983;672:121–6 [review]. 3. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London: Pharmaceutical Press, 1996, 213–4. Copyright © 2002 Healthnotes, Inc.  All rights reserved. www.healthnotes.com Please read the disclaimer about the limitations of the information provided here. Do NOT rely solely on the information in this article. Learn more about Healthnotes, the company. Learn more about the authors of Safetychecker. The information presented in Healthnotes is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over-the-counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2003.

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