Tuberculate Speranskia Herb

Chinese
透骨草
Pinyin
Tou Gu Cao
Latin
Herba Speranskiae Tuberculatae
Botanical illustration of Tuberculate Speranskia Herb, Speranskia tuberculata, showing habit, leaves, flowers, capsule, seed, root, and diagnostic plant details.
Botanical plate by Kodi . View print →

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

Speranskia

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

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.