Wormwood
Artemisia absinthium L.Asteraceae // aerial parts
Overview
Plant parts
aerial parts
Known constituents
thujone, absinthin, volatile oil
Research corpus coverage
Chemistry notes
- CHEMISTRY: Relevant reported constituents include thujone; absinthin; volatile oil; constituent presence alone does not establish clinical efficacy.
Uses & Evidence
Traditional / historical use
Documented traditional use — not a claim of established efficacy.
TRADITIONAL: Wormwood has been used for appetite; dyspepsia; parasites traditionally; 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 (appetite; dyspepsia; parasites traditionally), the evidence assessment is insufficient: Insufficient clinical evidence; antiparasitic claims are not established for self-treatment.
LOW · regulatory monograph and mixed scientific literature · WHO Monographs on Selected Medicinal Plants
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 aerial parts; traditional and modern forms include infusion/tea, tincture, powder/capsule, 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
Wormwood essential oil is identified as an oil that can cause seizures in companion animals.
Intrinsic toxicity · OTHER · wormwood essential oil · MODERATE · veterinary_manual · Toxicosis por aceites esenciales en animales - Toxicología
- High risk
Wormwood oil is listed among essential oils that can cause seizures in animals.
Intrinsic toxicity · INHALATION · wormwood essential oil · HIGH · veterinary_manual · Toxicoses From Essential Oils in Animals - Toxicology
- High risk
Wormwood essential oil is listed among common essential oils that can cause poisoning in animals.
Intrinsic toxicity · OTHER · essential oil · HIGH · poison_control_database · Essential Oils | Pet Poison Helpline®
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 Thujone neurotoxicity and seizures; Asteraceae allergy. Contraindications/cautions include Pregnancy; seizure disorders.
HIGH · observational/case series and expert review · LiverTox: Herbal and Dietary Supplements
SAFETY: Clinically relevant interaction concerns include Interacts with anticonvulsants and possibly anticoagulants.
MODERATE · observational/case series and expert review · LiverTox: Herbal and Dietary Supplements
Some interactions are theoretical or based on case reports/pharmacokinetics rather than outcome trials.
SAFETY: Pregnancy/lactation reference: Avoid in pregnancy/lactation.
MODERATE · regulatory monograph or evidence synthesis · WHO Monographs on Selected Medicinal Plants
Absence of evidence is not evidence of safety.
Wormwood essential oil is identified as an oil that can cause seizures in companion animals.
MODERATE · veterinary_manual · Toxicosis por aceites esenciales en animales - Toxicología
The page names wormwood oil but does not specify Artemisia absinthium or a toxic constituent.
Wormwood oil is listed among essential oils that can cause seizures in animals.
HIGH · veterinary_manual · Toxicoses From Essential Oils in Animals - Toxicology
Wormwood essential oil is listed among common essential oils that can cause poisoning in animals.
HIGH · poison_control_database · Essential Oils | Pet Poison Helpline®
No wormwood-specific toxic constituent, dose, route-specific profile, or sign profile is provided.
Preparation × species risk matrix
Unknown means insufficient evidence was located — not that a form is safe.
Cats
- essential oilHigh risk
- tinctureCaution
- concentrated extractUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
- whole herbUnknown
Dogs
- essential oilHigh risk
- tinctureCaution
- concentrated extractUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
- whole herbUnknown
Identity
- Synonym
GBIF resolves Absinthium officinale Brot. as a synonym of Artemisia absinthium. The older name still appears in herbal and taxonomic literature.
HIGH · GBIF Species Match API
Botanical synonym
Absinthium officinale Brot.
Taxonomic identity note
- Wormwood is treated here as Artemisia absinthium L. in the family Asteraceae; recorded older names include Absinthium officinale Brot..
Sources
Research records are source-linked but may not yet be editorially reviewed.
WHO monograph
NIH LiverTox monograph
veterinary_manual
veterinary_manual
poison_control_database
- Plants of the World Online1 claim
botanical taxonomy database
EMA monograph
- GBIF Species Match API1 claim
authoritative taxonomic database