coltsfoot

(redirected from Colt's foot)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

coltsfoot

(kōlts′fo͝ot′)
n. pl. colts·foots
1. A low perennial Eurasian herb (Tussilago farfara) in the composite family, naturalized in parts of North America and having dandelionlike flower heads and large, hoof-shaped basal leaves.
2. The dried leaves or flower heads of this plant, long used in herbal medicine to treat coughs.

coltsfoot

Chinese medicine
A perennial herb containing choline, inulin, aponins and stearin; it is antitussive, expectorant and anti-inflammatory, and is used for lung complaints, such as smoker’s cough, pulmonary infections and congestion. 

Herbal medicine
Coltsfoot has been used in Western herbal medicine internally for asthma, bronchitis, whooping cough and emphysema by inhalation of smoking leaves; crushed leaves have been used topically for bites, burns, oedemas, ulcers and other skin conditions.
 
Toxic effects
Coltsfoot has carcinogenic potential.

colts·foot

(kōlts'fut)
(Tussilago farfara) Purportedly useful in infections of upper respiratory tract. Plant contains toxic pyrrolizidine alkaloids.

coltsfoot,

n Latin name:
Tussilago farfara; parts used: buds (dried), leaves, roots; uses: asthma, coughs, bronchitis, inflammation of the oral cavity; precautions: pregnancy, lactation, children, patients with liver disorders; those hypersensitive to ragweed, chamomile, or the composite family; do not use for longer than 6 weeks; can cause hypertension, nausea, diarrhea, jaundice, hepatotoxicity (not often), upper respiratory infections. Also called
British tobacco, bullsfoot, butterbur, coughwort, donnhove, farfara, fieldhove, filius ante patrem, flower velure, foal's-foot, foalswort, hallfoot, horse-foot, horse-hoof, kuandong hua, and
pas dëane.