Devil's claw
Harpagophytum procumbens (Burch.) DC. ex Meisn.Pedaliaceae // secondary storage tuber
Overview
Plant parts
secondary storage tuber
Known constituents
harpagoside, iridoid glycosides
Research corpus coverage
Chemistry notes
- CHEMISTRY: Relevant reported constituents include harpagoside; iridoid glycosides; constituent presence alone does not establish clinical efficacy.
Uses & Evidence
Traditional / historical use
Documented traditional use — not a claim of established efficacy.
TRADITIONAL: Devil's claw has been used for back pain; osteoarthritis; dyspepsia; this records historical/traditional use and does not establish efficacy.
MODERATE · regulatory monograph · WHO Monographs on Selected Medicinal Plants
Modern evidence
EVIDENCE: For the major use set (back pain; osteoarthritis; dyspepsia), the evidence assessment is limited/mixed: Limited/moderate trials for low-back and osteoarthritis pain; extract-specific evidence.
MODERATE · randomized controlled trial · WHO Monographs on Selected Medicinal Plants
Mixed findings, product heterogeneity, or indirect evidence are preserved in the detailed profile.
Preparation
Forms used traditionally
A listed form does not imply it suits every plant part, or that one preparation is interchangeable with another — see the plant’s own notes below.
PREPARATION: The medicinal material is secondary storage tuber; traditional and modern forms include decoction, tincture, powder/capsule, standardized extract. No dose or potency is specified.
MODERATE · regulatory monograph · EMA European Union herbal monographs and list entries
Preparation-specific evidence should not be generalized across extracts, teas, oils, or whole herb.
Safety
Cats & dogs
- High risk
Devil’s claw has been associated with gastrointestinal bleeding, acute pancreatitis, gastric discomfort, or ulcers and may alter drugs metabolized by CYP enzymes or transported by P-glycoprotein.
Interaction · OTHER · herbal devil’s-claw product · MODERATE · veterinary_manual · Herbal Medicine in Veterinary Patients - Therapeutics
Additional safety notes (general, unstructured)
Free-text safety notes carried from their source — not broken out by species, route, or hazard type, and not equivalent to the structured records above. Each note names the kind of source it came from.
SAFETY: Major issues include GI upset; possible BP/glucose effects. Contraindications/cautions include Peptic ulcer; gallstones caution.
MODERATE · regulatory monograph · EMA European Union herbal monographs and list entries
SAFETY: Clinically relevant interaction concerns include Potential anticoagulant, antidiabetic, antihypertensive and antiarrhythmic interactions.
MODERATE · regulatory monograph · EMA European Union herbal monographs and list entries
Some interactions are theoretical or based on case reports/pharmacokinetics rather than outcome trials.
SAFETY: Pregnancy/lactation reference: Avoid in pregnancy; lactation data insufficient.
MODERATE · regulatory monograph or evidence synthesis · WHO Monographs on Selected Medicinal Plants
Absence of evidence is not evidence of safety.
Devil’s claw has been associated with gastrointestinal bleeding, acute pancreatitis, gastric discomfort, or ulcers and may alter drugs metabolized by CYP enzymes or transported by P-glycoprotein.
MODERATE · veterinary_manual · Herbal Medicine in Veterinary Patients - Therapeutics
Species and route were not specified.
Preparation × species risk matrix
Unknown means insufficient evidence was located — not that a form is safe.
Cats
- whole herbHigh risk
- tinctureCaution
- concentrated extractUnknown
- essential oilUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
Dogs
- whole herbHigh risk
- tinctureCaution
- concentrated extractUnknown
- essential oilUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
Identity
- Related, not interchangeableZeyher's devil's claw
H. zeyheri occurs in devil's-claw commerce alongside H. procumbens.
MODERATE · GBIF taxonomic backbone and Apothecary corpus identity note
Botanical synonym
Uncaria procumbens Burch.
Taxonomic identity note
- Devil's claw is treated here as Harpagophytum procumbens (Burch.) DC. ex Meisn. in the family Pedaliaceae; recorded older names include Uncaria procumbens Burch..
Sources
Research records are source-linked but may not yet be editorially reviewed.
WHO monograph
EMA monograph
veterinary_manual
- Plants of the World Online1 claim
botanical taxonomy database
authoritative taxonomic database plus curated corpus note