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January 3, 2001

Garlic as a Tick Repellent

Author Affiliations

Stephen J.LurieMD, PhD, Senior EditorIndividualAuthor

JAMA. 2001;285(1):41-42. doi:10.1001/jama.285.1.39

To the Editor: Ms Stjernberg and Dr Berglund1 reported that garlic may be an effective tick repellent. However, the content of sulfuric compounds in garlic is subject to large variations that influence pharmacological effects and the only information about the garlic preparation in their study is "1200 mg/d Allium sativum in capsule form." There was no information about whether the plant material was fresh, dried, or treated in any way. Herbal preparations containing garlic are normally prepared in several different ways, such as dried, fermented, oil macerated, or solvent extracted.

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