Suggested Dosing
Tea
1 cup PO PRN; 1.5-4.5 g leaf/150 mL water
Tincture
2-6 mL PO TID; 1:5 in 45% alcohol
Cream/ointment
Apply 1% of a 70:1 lyophilized aqueous extract topically BID-QID up to 14 d
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Suggested Uses
Abdominal distension, antispasmodic, appetite stimulant, digestive aid, flatulence, Graves disease, herpes labialis (topical), insomnia
Efficacy
Possibly effective for listed uses
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Adverse Effects
Frequency Not Defined
Hypersensitivity reactions
Sedation
Skin irritation (topical use)
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Warnings
Contraindications
Hypothyroidism
Cautions
Sedative agents
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Pregnancy & Lactation
Pregnancy Category: avoid use
Lactation: avoid use
Pregnancy Categories
A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.
B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk. C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done. D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk. X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist. NA: Information not available.Previous
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Pharmacology
Metabolism: N/A
Excretion: N/A
Mechanism of Action
Tannins, polyphenols possess antiviral activity
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Medscape prescription drug monographs are based on FDA-approved labeling information, unless otherwise noted, combined with additional data derived from primary medical literature.
