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Atenolol is a beta-blocker drug used to treat some heart conditions, reduce the symptoms of angina pectoris (chest pain), lower blood pressure in people with hypertension, and treat people after heart attacks.
Common brand names:Tenormin
Summary of Interactions with Vitamins, Herbs, & Foods
Replenish Depleted Nutrients
Atenolol has been reported to decrease the levels of zinc in blood serum.1 The clinical significance of that finding is not certain.The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
Reduce Side Effects
Potential Negative Interaction
As pleurisy root and other plants in the Aesclepius species contain cardiac glycosides, it is best to avoid use of pleurisy root with heart medications such as atenolol.2The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
Some beta-adrenergic blockers (called “nonselective” beta blockers) decrease the uptake of potassium from the blood into the cells,3 leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia.4 People taking beta-blockers should therefore avoid taking potassium supplements, or eating large quantities of fruit (for example, bananas), unless directed to do so by their doctor.The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
1. Braun LA, Rosenfeldt F. Pharmaco-nutrient interactions - a systematic review of zinc and antihypertensive therapy.Int J Clin Pract 2013;67:717–25.
2. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-Care Professionals. London: Pharmaceutical Press, 1996, 213-4.
3. Rosa RM, Silva P, Young JB, et al. Adrenergic modulation of extrarenal potassium disposal. N Engl J Med 1980;302:431-4.
4. Lundborg P. The effect of adrenergic blockade on potassium concentrations in different conditions. Acta Med Scand Suppl 1983;672:121-6 [review].
Last Review: 04-29-2014
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