PenbutololSkip to the navigation
This drug is from the beta-adrenergic blockers or “beta blockers” family of drugs, which are 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.
Common brand names:Levatol
Summary of Interactions with Vitamins, Herbs, & Foods
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Potential Negative Interaction
Some beta-adrenergic blockers (called “nonselective” beta blockers) decrease the uptake of potassium from the blood into the cells, leading to excess potassium in the blood, a potentially dangerous condition known as hyperkalemia. 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.
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.The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
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Last Review: 03-24-2015
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