Tuberculate Speranskia Herb
- Chinese
- 透骨草
- Pinyin
- Tou Gu Cao
- Latin
- Herba Speranskiae Tuberculatae
Known in TCM as Tou Gu Cao (透骨草), this pungent and bitter, warm herb enters the Liver and Kidney. Traditionally, it dispels Wind-Damp and relieves Bi syndrome, most often applied for rheumatoid arthritis, rheumatism, and joint pain. Modern research has identified Speranskin among its active constituents.
Part used: Whole herb
Also Known As
Latin: Herba Speranskiae Tuberculatae | Pinyin: Tou Gu Cao | Chinese: 透骨草
TCM Properties
- Taste
- pungent, bitter
- Temperature
- warm
- Channels
- Liver, Kidney
Traditional Use
Primary Actions
- Dispels Wind-Damp and relieves Bi syndrome … principal indication; rheumatic joint and muscle pain, especially with cold-damp predominance and stiffness
- Warms the channels and disperses Cold … deep cold-obstructed pain in joints, the lumbar region, and knees
- Relaxes sinews and resolves contracture … muscle spasm, sinew tightening, and impaired movement from chronic Wind-Cold-Damp Bi
- Activates Blood and disperses stasis … traumatic injury, post-injury swelling, and bruising
Secondary Actions
- Promotes menstruation … Blood-moving action used for dysmenorrhea and amenorrhea with cold-type stagnation pattern
- External use: decoction wash for arthritic joints, traumatic injury, and skin conditions in north China folk medicine
Classic Formulas
- Tou Gu Cao Tang (透骨草汤) … classical decoction for Wind-Cold-Damp Bi syndrome; Tou Gu Cao combined with Chuan Wu (川乌, processed), Cao Wu (草乌, processed), Ma Qian Zi (马钱子, processed), and Ru Xiang (乳香) … used externally as a hot soak for severe chronic joint pain
- Combined with Wei Ling Xian (威灵仙), Du Huo (独活), and Ji Xue Teng (鸡血藤) in oral formulas for rheumatoid arthritis and osteoarthritis with cold-predominant Wind-Damp pattern
Classical References
- Ben Cao Gang Mu Shi Yi (本草纲目拾遗): records Tou Gu Cao (透骨草, 'penetrate-bone herb', named for its ability to relieve deep bone-level pain) as a powerful pungent-warm herb that 'enters the sinews and bones to dispel cold-damp, open the channels, and stop severe pain … superior for Bi syndrome that has become entrenched in the deeper tissues'
- SPECIES NOTE: The official Chinese Pharmacopoeia 2020 source for Tou Gu Cao is Speranskia tuberculata (Bunge) Baill. (Euphorbiaceae); the name Tou Gu Cao is also applied to other plants in regional folk medicine including Impatiens balsamina (herb #84 in this database, 凤仙透骨草); the two variants share Wind-Damp Bi indications but Speranskia tuberculata is the pharmacopoeial standard
Modern Research
Active Compounds
- Speranskin and related diterpenoids (Euphorbiaceae characteristic; anti-inflammatory)
- Kaempferol, quercetin, and luteolin glycosides (flavonoids; anti-inflammatory, antioxidant)
- Gallic acid and ellagic acid (hydrolysable tannins; antioxidant, antimicrobial)
- β-Sitosterol and daucosterol (phytosterols; anti-inflammatory)
- Phenylpropanoids: chlorogenic acid, caffeic acid
Studied Effects
- Anti-inflammatory and analgesic: flavonoid and diterpenoid fractions from Speranskia tuberculata inhibit COX-2 and prostaglandin synthesis; rodent models confirm significant analgesic effect in hot-plate, tail-flick, and acetic acid writhing tests … pharmacological basis for the Bi-syndrome pain-relieving application
- Anti-arthritic: aqueous extract of S. tuberculata reduces joint swelling, synovial inflammation, and pro-inflammatory cytokine (IL-1β, TNF-α) levels in complete Freund's adjuvant-induced arthritis models; anti-arthritic efficacy comparable to low-dose aspirin in joint histopathology … validates the cold-Damp rheumatic arthritis indication
- Antioxidant: gallic acid and quercetin glycosides from S. tuberculata demonstrate significant DPPH and ABTS radical scavenging; reduction of lipid peroxidation in articular tissue may contribute to the anti-arthritic therapeutic effect
Safety & Interactions
Contraindications
- Heat-type Bi syndrome (hot, red, swollen joints with fever and rapid pulse) … warm-pungent nature contraindicated with Heat
- Yin Deficiency with internal Heat
Cautions
- Standard dose: 9–15 g dried herb in decoction; external soak/wash: 30–60 g
- Topical concentrated decoction: prolonged skin contact may cause mild irritation; dilute or limit soak time if irritation occurs
- Blood-moving activity: use with caution in patients on anticoagulant or antiplatelet therapy
- Pregnancy: pungent-warm Blood-moving herb; traditional contraindication in pregnancy
Conditions
- Rheumatoid Arthritis Research ★★★★☆ JSON
- Rheumatism Traditional ★★★★☆ JSON
- Joint Pain Traditional ★★★★☆ JSON
- Dysmenorrhea Traditional ★★☆☆☆ JSON
Frequently Asked Questions
What is Tuberculate Speranskia Herb used for?
Tuberculate Speranskia Herb is traditionally used to Dispels Wind-Damp and relieves Bi syndrome … principal indication; rheumatic joint and muscle pain, especially with cold-damp predominance and stiffness, Warms the channels and disperses Cold … deep cold-obstructed pain in joints, the lumbar region, and knees, Relaxes sinews and resolves contracture … muscle spasm, sinew tightening, and impaired movement from chronic Wind-Cold-Damp Bi, Activates Blood and disperses stasis … traumatic injury, post-injury swelling, and bruising. Research has investigated its effects on: Anti-inflammatory and analgesic: flavonoid and diterpenoid fractions from Speranskia tuberculata inhibit COX-2 and prostaglandin synthesis; rodent models confirm significant analgesic effect in hot-plate, tail-flick, and acetic acid writhing tests … pharmacological basis for the Bi-syndrome pain-relieving application; Anti-arthritic: aqueous extract of S. tuberculata reduces joint swelling, synovial inflammation, and pro-inflammatory cytokine (IL-1β, TNF-α) levels in complete Freund's adjuvant-induced arthritis models; anti-arthritic efficacy comparable to low-dose aspirin in joint histopathology … validates the cold-Damp rheumatic arthritis indication.
What are other names for Tuberculate Speranskia Herb?
Tuberculate Speranskia Herb is also known as Speranskia. In TCM: 透骨草 (Tou Gu Cao); Herba Speranskiae Tuberculatae.
Is Tuberculate Speranskia Herb safe during pregnancy?
Tuberculate Speranskia Herb is not recommended during pregnancy. Pregnancy: pungent-warm Blood-moving herb; traditional contraindication in pregnancy
What are the contraindications for Tuberculate Speranskia Herb?
Tuberculate Speranskia Herb should not be used in: Heat-type Bi syndrome (hot, red, swollen joints with fever and rapid pulse) … warm-pungent nature contraindicated with Heat; Yin Deficiency with internal Heat. Consult a qualified practitioner before use.