© Franz Eugen Köhler, Köhler's Medizinal-Pflanzen (1887), plate 207 · Public domain · Commons
Liquorice
CautionSüßholz · (Glycyrrhiza glabra)
Legume family (Fabaceae)
Description
Liquorice (Glycyrrhiza glabra), the source of liquorice confectionery, is a perennial herbaceous legume reaching 1–2 m. Erect stems with imparipinnate leaves arise from an extensively branched system of roots and underground stolons. Pale violet to bluish pea-type flowers are borne in axillary racemes. Native to the Mediterranean and south-west Asia, it is the dried root and stolons (Liquiritiae radix) that are used medicinally.
CONTRAINDICATED during pregnancy
Animal studies showed reproductive toxicity; safety not established — do not use during pregnancy.
CONTRAINDICATED during breastfeeding
Insufficient data — not recommended during lactation.
CONTRAINDICATED for children
Not for children and adolescents under 18 due to lack of data.
Critical drug interactions with:
Blutdrucksenker (Antihypertensiva) · Entwässerungsmittel (Diuretika), stimulierende Abführmittel · Herzglykoside (z. B. Digoxin) · Kortikosteroide (Cortison)
- TeaRootInternalTraditional use
Tea for heartburn and digestive complaints (dyspepsia) — short-term.
Preparation & dosage
INFUSION/DECOCTION (digestive complaints): Pour 150 ml boiling water over 1.5–2 g of the comminuted root, or simmer briefly, then strain. One cup two to four times daily after meals, for heartburn and dyspepsia. Do NOT use for more than 4 weeks. If symptoms persist for more than 2 weeks, consult a doctor.
- Dry amount
- 1.5–2 g
- Doses per day
- 4×
- Max duration
- 4 weeks
⚠ Age restriction: ≥ 18 years — Not for children and adolescents under 18 due to lack of data.
- TeaRootInternalTraditional use
Expectorant tea for cough with a cold — short-term.
Preparation & dosage
INFUSION/DECOCTION (cough): Pour 150 ml boiling water over 1.5 g of the comminuted root, or simmer briefly, then strain. Twice daily as an expectorant in cough associated with a cold. Do NOT use for more than 4 weeks. If symptoms persist for more than 1 week, consult a doctor.
- Dry amount
- 1.5–1.5 g
- Doses per day
- 2×
- Max duration
- 4 weeks
⚠ Age restriction: ≥ 18 years — Not for children and adolescents under 18 due to lack of data.
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