Butterbur
- SCIENTIFIC NAMES: Petasites hybridus; Petasites officinalis
- INDICATIONS: Allergic rhinitis, asthma, bronchitis, chills, cough, dysmenorrhea, hay fever, headache, heart tonic, migraine, peptic ulcer, appetite stimulant, irritable bladder, poultice for wounds or skin ulcers
- SYNONYM: Asteraceae; Compositae
- CLASS: Anti-inflammatory
- HALF-LIFE: N/A
CLINICALLY IMPORTANT, POTENTIALLY HAZARDOUS INTERACTIONS WITH:
None known
PREGNANCY CATEGORY: N/A
Contraindicated in pregnancy
Petadolex formulation has had the potentially carcinogenic pyrrolizidine alkaloids removed.
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SKIN.
GASTROINTESTINAL/HEPATIC.
OCULAR.
OTHER.
Page last updated 08/01/2022
Symbol key
Incidence 
- <1%
- 1-5%
- 5-10%
- 10-15%
- 15-20%
- 20-30%
- >30%
Seriousness
- Hospitalization possible
- Life threatening
- Fatal
Warnings in other populations
- Breast feeding
- Geriatric
- Pediatric
