Roman chamomile
Chamaemelum nobile (L.) All.Asteraceae // flowers
Overview
Plant parts
flowers
Known constituents
angelate esters, flavonoids, volatile oil
Research corpus coverage
Chemistry notes
- CHEMISTRY: Relevant reported constituents include angelate esters; flavonoids; 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: Roman chamomile has been used for dyspepsia; flatulence; topical inflammation; this records historical/traditional use and does not establish efficacy.
MODERATE · regulatory monograph · EMA European Union herbal monographs and list entries
Modern evidence
EVIDENCE: For the major use set (dyspepsia; flatulence; topical inflammation), the evidence assessment is insufficient: Insufficient clinical evidence; chiefly traditional/regulatory-monograph evidence.
LOW · regulatory monograph and mixed scientific literature · EMA European Union herbal monographs and list entries
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 flowers; 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
Dogs
- Caution
Roman chamomile, listed as Anthemis nobilis, is included under “Plants Toxic to Dogs.” No cat-specific evidence or plant-specific toxicology details are provided.
Intrinsic toxicity · UNKNOWN · Not stated; whole plant or plant group listing only · HIGH · poison_control_database · Toxic and Non-Toxic Plant List — Dogs - ASPCA
Cats & dogs
- High risk
ASPCA lists chamomile (scientific name Anthemis nobilis; family Compositae) as toxic to cats and dogs.
Intrinsic toxicity · UNKNOWN · Not specified; no concentration distinctions provided · HIGH · poison_control_database · Chamomile - Toxic and Non-toxic Plants
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 Asteraceae allergy; essential oil should not be swallowed. Contraindications/cautions include Known Asteraceae allergy.
MODERATE · regulatory monograph · EMA European Union herbal monographs and list entries
SAFETY: Clinically relevant interaction concerns include Possible additive sedation.
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 medicinal use in pregnancy because safety is not established.
MODERATE · regulatory monograph or evidence synthesis · EMA European Union herbal monographs and list entries
Absence of evidence is not evidence of safety.
ASPCA lists chamomile (scientific name Anthemis nobilis; family Compositae) as toxic to cats and dogs.
HIGH · poison_control_database · Chamomile - Toxic and Non-toxic Plants
The page uses Anthemis nobilis, a synonym associated with Roman chamomile (Chamaemelum nobile), and does not distinguish Roman from German chamomile despite listing both among common names.
Roman chamomile, listed as Anthemis nobilis, is included under “Plants Toxic to Dogs.” No cat-specific evidence or plant-specific toxicology details are provided.
HIGH · poison_control_database · Toxic and Non-Toxic Plant List — Dogs - ASPCA
Anthemis nobilis is a name associated with Roman chamomile; the canonical species is Chamaemelum nobile. Family is listed as Compositae / Asteraceae.
Preparation × species risk matrix
Unknown means insufficient evidence was located — not that a form is safe.
Cats
- concentrated extractHigh risk
- tinctureCaution
- essential oilUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
- whole herbUnknown
Dogs
- concentrated extractHigh risk
- tinctureCaution
- whole herbCaution
- essential oilUnknown
- glyceriteUnknown
- infused oilUnknown
- salveUnknown
- smoke/combustionUnknown
- tea/infusionUnknown
Identity
- Common-name collisionGerman chamomile
The unqualified name 'chamomile' is used for both German and Roman chamomile.
MODERATE · GBIF taxonomic backbone and Apothecary corpus identity note
- Synonym
GBIF resolves Anthemis nobilis L. as a synonym of Chamaemelum nobile. The older name still appears in herbal and taxonomic literature.
HIGH · GBIF Species Match API
Botanical synonym
Anthemis nobilis L.
Taxonomic identity note
- Roman chamomile is treated here as Chamaemelum nobile (L.) All. in the family Asteraceae; recorded older names include Anthemis nobilis L..
Sources
Research records are source-linked but may not yet be editorially reviewed.
EMA monograph
poison_control_database
poison_control_database
- Plants of the World Online1 claim
botanical taxonomy database
WHO monograph
- GBIF Species Match API1 claim
authoritative taxonomic database
authoritative taxonomic database plus curated corpus note