Horse Chestnut Side Effects, Interactions and Warnings

Horse Chestnut Side Effects, Interactions and Warnings

  • Horse chestnut may increase the risk of bleeding or potentiate the effects of warfarin therapy.

    – Am J Health Syst Pharm 2000 Jul 1;57(13):1221-7; quiz 1228-30 —
    Potential interactions between alternative therapies and warfarin. — Heck AM, DeWitt BA, Lukes AL. — School of Pharmacy and Pharmacal Sciences, Purdue University, Indianapolis, IN, USA.

  • May cause contact dermititis.
    – Contact dermatitis to extract of horse chestnut (esculin). — Comaish JS, et al. — Contact Dermatitis. 1980 Jan;6(2):150-1.

  • May cause an allergic reaction if you have an allergy to pollen.
    – Allergy 1992 Aug;47(4 Pt 2):380-3 — Horse chestnut (Aesculus hippocastanum) pollen: a frequent cause of allergic sensitization in urban children. — Popp W, Horak F, Jager S, Reiser K, Wagner C, Zwick H.

  • May cause gastrointestinal distress or nausea.

last update: March 2014

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