Devil's Claw

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Devil's Claw Side Effects, Interactions and Warnings



  • Devil's Claw has been associated with documented reports of potential interactions with warfarin.
    - 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.

  • Should thus not be used in patients on oral anticoagulant and/or antiplatelet therapy.
    - Ann Ital Med Int 2000 Apr-Jun;15(2):139-43 -- [Oral anticoagulants and medicinal plants. An emerging interaction] -- Argento A, Tiraferri E, Marzaloni M.

  • Avoid during pregnancy.

  • Mild gastrointestinal distress at higher dosages.
    - Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A guide for Health-care Professionals.London: The Pharmaceutical Press, 1996:296.26.

  • Devil's Claw should not be taken by anyone with stomach or duodenal ulcers. Those with gallstones should consult their doctor first. Mild stomach upsets occasionally occur.







last update: March 2014



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