Hound's Tongue
Cynoglossi herba
Hundszungenkraut
Published March 2, 1989
Name of Drug
Cynoglossi herba, hound's tongue.
Composition of Drug
Hound's Tongue herb consists of the above-ground parts of Cynoglossum officinale L. (syn. C. clandestinum Desfontaines) [Fam. Boraginaceae], as well as preparations thereof.
Uses
Preparations of Hound's Tongue are used as an antidiarrheal and an expectorant.
Fixed combinations containing Hound's Tongue are used for ailments and complaints of the gastrointestinal tract, infections, skin diseases, and bronchitis; and externally for diseases and painful discomfort of extremities, myalgia, neuralgia, trauma, nervous diseases, and care of scar tissue.
The effectiveness of the herb for the claimed applications is not documented.
Risks
Hound's Tongue contains large amounts of the hepatotoxic pyrrolizidine alkaloids.
Evaluation
Since the effectiveness for the claimed applications is not documented, a therapeutic administration cannot be justified due to the risks.
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