Atropine is an alkaloid (a family of chemicals with pharmacologic activity and a common structure) that affects the nervous system. It is found in deadly nightshade (Atropa belladonna) and other plants. Some effects of atropine include blurred vision, dilated pupils, constipation, dry mouth, and dry eyes.
Atropine is available as a prescription drug, synthesized in the laboratory. It is used to help restore or control heart function. It is used in combination with other drugs to treat other health problems including Reference diarrhea and excessive salivation (saliva production). Atropine drops (Isopto® Atropine and others) are used to dilate pupils for eye exams.
Common brand names:AtroPen, Isopto Atropine, Sal-Tropine
Summary of Interactions with Vitamins, Herbs, & Foods
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Teas and Herbs with Tannin
Tannins are a group of unrelated chemicals that give plants an astringent taste. Herbs containing high amounts of tannins, such as Reference green tea (Camellia sinensis), black tea, Reference uva ursi (Arctostaphylos uva-ursi), black walnut (Juglans nigra), Reference red raspberry (Rubus idaeus), Reference oak (Quercus spp.), and Reference witch hazel (Hamamelis virginiana), may interfere with the absorption of atropine taken by mouth.1The interaction is supported by preliminary, weak, fragmentary, and/or contradictory scientific evidence.
Potential Negative Interaction
1. Brinker F. Herb Contraindications and Drug Interactions. Sandy, OR: Eclectic Institute, 1997, 100.
Last Review: 11-07-2012
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