Assertion: arnica | /r/IsA | unsafe herb
Facets:
value: by the fda
type: OTHER
value: because of its toxicity
type: CAUSE
Source sentences:
text: Arnica is classified as an unsafe herb by the FDA because of its toxicity and should not be administered orally or applied to broken skin where absorption can occur.4, 57
text: Arnica is classified as an unsafe herb by the FDA because of its toxicity.