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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.
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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.
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Avoid during pregnancy.
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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.
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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.
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