Herb Herbs that pacify Internal Liver Wind and stop Tremors

Di Long

Earthworms | 地龙

Pheretima aspergillum, Pheretima vulgaris, Pheretima guillelmi or Pheretima pectinifera

TCM Properties

Temperature

Cold

Taste

Salty

Organ Affinity

Urinary Bladder, Spleen, Liver

Parts Used

Dried body of the worm

TCM Actions & Uses

Traditional Chinese Medicine properties and applications of Di Long

Traditional Actions

Extinguish Wind
Clear Liver Heat
Relieve wheezing
Unblock Meridians
Promote urination

Key TCM Concepts

In Traditional Chinese Medicine (TCM), Di Long belongs to the 'Herbs that pacify Internal Liver Wind and stop Tremors' category. These herbs are used to treat so-called 'hyperactive Liver Yang'. Concretely this translates into high blood pressure as well as seizures, spasms, convulsions, dizziness and vertigo. These herbs often seem to have a powerful antispasmodic effect on the nervous system.

 

Furthermore Di Long is Cold in nature. This means that Di Long typically helps people who have too much 'Heat' in their body. Balance between Yin and Yang is a key health concept in TCM. Those who have too much Heat in their body are said to either have a Yang Excess (because Yang is Hot in nature) or a Yin deficiency (Yin is Cold in Nature). Depending on your condition Di Long can help restore a harmonious balance between Yin and Yang.

 

Di Long also tastes Salty. The so-called 'Five Phases' theory in Chinese Medicine states that the taste of TCM ingredients is a key determinant of their action in the body. Salty ingredients like Di Long tends to have a draining effect in the body because they clear accumulations, remove Phlegm and soften hard lumps.

 

The tastes of ingredients in TCM also determine what Organs and Meridians they target. As such Di Long is thought to target the Bladder, the Spleen and the Liver. In TCM the impure water collected by the Kidneys that cannot be used by the body is sent to the Bladder for storage and excretion as urine. The Spleen on the other hand assists with digestion, Blood coagulation and Fluids metabolism in the body. The Liver is often referred as the body's "general" because it is in charge of regulating the movements of Qi and the Body Fluids. It also takes a leading role in balancing our emotions.

Common Applications

Fever Convulsions Arthralgia Numbness of limbs Hemiplegia Edema Oliguria Asthma Hypertension Spams Difficulty in urination Delirium Fright palpitation Stroke with hemiplegia Painful Obstruction Syndrome Phlegm rale Shortness of breath Wheezing

Research Studies

Scientific research and clinical studies on Di Long

Earthworm powder could treat cerebral microlesions, control vasculogenic risk factors, and finally prevent the incidence of cerebral infarction.1

Shuxuetong Injection (the extracted liquor from Earthworm and Hirudo) shows good efficacy with less adverse reaction in treating patients with active rheumatoid arthritis.2

Sources:

1. Qu H, Zhang YQ, Zhou MM, Zhao XY. (2013). Different treatment modes for cerebral microlesions: a comparison of clinical efficacy. Zhongguo Zhong Xi Yi Jie He Za Zhi. , 33(3):332-7.

2. Zhang HF, Xiao WG. (2008). Clinical observation of Shuxuetong Injection in treating patients with active rheumatoid arthritis. Zhongguo Zhong Xi Yi Jie He Za Zhi. , 28(3):255-7.

Preparation & Dosage

Traditional and modern methods for preparing Di Long

Traditional Preparation

Dry the worm and reduce into powder when adding it as an ingredient to a formula

Recommended Dosage

Note: The following information is provided for educational purposes only and is not meant to replace professional medical advice.

5-15g

Safety & Contraindications

Important safety information and precautions for Di Long

This information is for educational purposes only. Always consult with a qualified healthcare provider before using any herb or supplement.

Herb-Drug Interactions

Like many herbs, Di Long may interact with certain medications. If you are taking any prescription medications, we recommend consulting with a healthcare provider knowledgeable in herb-drug interactions.

Related Educational Resources

Formulas Containing Di Long

Discover traditional and modern TCM formulas that use Di Long as an ingredient to understand its clinical applications.

Find formulas with Di Long