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The leaves, flowers, and berries of hawthorn contain a variety of bioflavonoid-like complexes that appear to be primarily responsible for the cardiac actions of the plant. The action of these compounds on the cardiovascular system has led to the development of leaf and flower extracts. Hawthorn is antispasmodic, sedative, and a vasodilator. It may open (dilate) the coronary arteries, improving the heart's blood supply. It may increase the heart's pumping force. It may help limit the amount of cholesterol deposited on artery walls.
There are no known interactions with prescription cardiac medications or other drugs. There are no known contraindications to its use during pregnancy or lactation. Large amounts of hawthorn may cause sedation and/or a significant drop in blood pressure, possibly resulting in faintness. |
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