Tip of Licorice Root
- Chinese
- 甘草梢
- Pinyin
- Gan Cao Shao
- Latin
- Radix Glycyrrhizae Uralensis
Known in TCM as Gan Cao Shao (甘草梢), this sweet, neutral herb enters the Heart, Lung, and Bladder. Traditionally, it clears heat and relieves painful urinary dribbling ... Gan Cao Shao is the narrow licorice-tip lane used in heat strangury patterns with burning, dribbling, or blood-streaked urine where the distal root tip is asked to guide fire downward, most often applied for urinary tract infection, hematuria, and mouth sores. Modern research has identified Glycyrrhizin among its active constituents.
Part used: Root
Also Known As
Latin: Radix Glycyrrhizae Uralensis | Pinyin: Gan Cao Shao | Chinese: 甘草梢
TCM Properties
- Taste
- sweet
- Temperature
- neutral
- Channels
- Heart, Lung, Bladder
Traditional Use
Primary Actions
- Clears heat and relieves painful urinary dribbling ... Gan Cao Shao is the narrow licorice-tip lane used in heat strangury patterns with burning, dribbling, or blood-streaked urine where the distal root tip is asked to guide fire downward.
- Clears Heart fire that travels to the Small Intestine and Bladder ... it appears in formula logic for mouth sores, irritability, dark scanty urine, and heat being vented through urination rather than broadly tonified.
- Moderates urgency and relieves pain while retaining licorice's harmonizing character ... compared with larger raw licorice-root lots, the tip presentation is less about general tonification and more about urinary and throat-facing use.
Secondary Actions
- This page should stay distinct from the already-live raw and prepared licorice siblings ... Gan Cao Shao is a pharmacy-direction distinction within the licorice family, not just a shorter piece of the same root.
- Classical dispensing keeps the root tip separate precisely because direction matters ... the distal tip is used when practitioners want licorice to guide downward through urination rather than sit in a broad middle-tonic role.
Classic Formulas
- Dao Chi San ... the classic Heart-fire formula where Gan Cao Shao helps clear irritability and mouth sores by guiding heat out through the urine.
- Ba Zheng San ... damp-heat strangury formula in which Gan Cao Shao supports painful urinary patterns alongside Qu Mai, Mu Tong, Hua Shi, and Che Qian Zi.
- Heat-strangury and sore-throat modifications ... the tip form is often preferred when licorice is being used for fire, pain, and downward drainage rather than for heavy formula harmonizing.
Classical References
- Traditional herbology preserves Gan Cao Shao as the root-tip lane of licorice used especially for painful urinary disorders and Heart-fire patterns with mouth lesions.
- The distinction between whole licorice root and licorice tip is a real dispensing instruction, not merely an importer naming artifact.
Modern Research
Active Compounds
- Glycyrrhizin ... the dominant triterpene saponin associated with both licorice efficacy and pseudoaldosteronism risk
- Glycyrrhetinic acid ... active metabolite tied to sodium retention, hypokalemia, and blood-pressure effects
- Liquiritin, liquiritigenin, and isoliquiritigenin ... major licorice flavonoids repeatedly discussed in the broader pharmacology literature
Studied Effects
- Modern indexed studies rarely isolate Gan Cao Shao from the broader licorice-root drug, so current evidence is inferred from licorice pharmacology rather than from tip-only trials.
- A 2020 review of corroborative clinical findings summarized licorice root efficacy and safety, supporting the broader licorice family context while also underscoring dose-related adverse effects that still matter for Gan Cao Shao use (PMID 31874059).
- A second 2020 review surveyed licorice phytochemicals and combination-preparation roles, giving useful context for why even narrower licorice lanes such as Gan Cao Shao are best interpreted within the larger Glycyrrhiza literature (PMID 31811935).
- A 2021 narrative review detailed clinical risk factors for licorice-induced pseudoaldosteronism, making clear that the root-tip presentation does not erase glycyrrhizin-related cardiovascular and electrolyte risk (PMID 34604277).
PubMed References
- A Review of the Pharmacological Efficacy and Safety of Licorice Root from Corroborative Clinical Trial Findings. (2020)
- An "essential herbal medicine"-licorice: A review of phytochemicals and its effects in combination preparations. (2020)
- Clinical Risk Factors of Licorice-Induced Pseudoaldosteronism Based on Glycyrrhizin-Metabolite Concentrations: A Narrative Review. (2021)
Safety & Interactions
Contraindications
- Uncontrolled hypertension, edema, hypokalemia, or severe heart failure
- High-dose or prolonged unsupervised use
Cautions
- Gan Cao Shao may be used in smaller, more directional prescriptions, but it is still real licorice and can contribute to sodium retention, potassium loss, and blood-pressure elevation.
- Cumulative exposure matters ... patients may encounter licorice from multiple formulas, teas, and supplements at the same time.
Drug Interactions
- Loop or thiazide diuretics ... additive potassium loss and arrhythmia risk
- Digoxin and other cardiac glycosides ... hypokalemia may increase toxicity risk
- Corticosteroids ... additive mineralocorticoid-like effects
Conditions
- Urinary Tract Infection Traditional ★★★☆☆ JSON
- Hematuria Traditional ★★☆☆☆ JSON
- Mouth Sores Traditional ★★★☆☆ JSON
- Sore Throat Traditional ★★☆☆☆ JSON
Frequently Asked Questions
What is Tip of Licorice Root used for?
Tip of Licorice Root is traditionally used to Clears heat and relieves painful urinary dribbling ... Gan Cao Shao is the narrow licorice-tip lane used in heat strangury patterns with burning, dribbling, or blood-streaked urine where the distal root tip is asked to guide fire downward., Clears Heart fire that travels to the Small Intestine and Bladder ... it appears in formula logic for mouth sores, irritability, dark scanty urine, and heat being vented through urination rather than broadly tonified., Moderates urgency and relieves pain while retaining licorice's harmonizing character ... compared with larger raw licorice-root lots, the tip presentation is less about general tonification and more about urinary and throat-facing use.. Research has investigated its effects on: Modern indexed studies rarely isolate Gan Cao Shao from the broader licorice-root drug, so current evidence is inferred from licorice pharmacology rather than from tip-only trials.; A 2020 review of corroborative clinical findings summarized licorice root efficacy and safety, supporting the broader licorice family context while also underscoring dose-related adverse effects that still matter for Gan Cao Shao use (PMID 31874059)..
What are other names for Tip of Licorice Root?
Tip of Licorice Root is also known as Gan Cao Shao, Licorice root tip, Ural licorice root tip. In TCM: 甘草梢 (Gan Cao Shao); Radix Glycyrrhizae Uralensis.
Is Tip of Licorice Root safe during pregnancy?
The safety of Tip of Licorice Root during pregnancy has not been established. Consult a qualified healthcare provider before use.
What are the contraindications for Tip of Licorice Root?
Tip of Licorice Root should not be used in: Uncontrolled hypertension, edema, hypokalemia, or severe heart failure; High-dose or prolonged unsupervised use. Consult a qualified practitioner before use.
Does Tip of Licorice Root interact with any medications?
Tip of Licorice Root may interact with: Loop or thiazide diuretics ... additive potassium loss and arrhythmia risk; Digoxin and other cardiac glycosides ... hypokalemia may increase toxicity risk; Corticosteroids ... additive mineralocorticoid-like effects. Always inform your healthcare provider of any herbal supplements you are taking.