Chinese: 吴茱萸汤
Pinyin: Wú Zhū Yú Tāng
Other names: Evodia Decoction
Chinese: 吴茱萸汤
Pinyin: Wú Zhū Yú Tāng
Other names: Evodia Decoction
Number of ingredients: 4 herbs
Formula category: Formulas that warm the middle and dispel Cold
Conditions for which it may be prescribed: Eye fatigueHypertensionCholecystitis and nineteen other conditions
Contraindications: For severe vomiting, taking the decoction cool may help it be kept down... For severe vomiting, taking the decoction cool may help it be kept down better. In rare cases, some patients may temporarily feel chest discomfort, dizziness, or a worsening headache after taking the decoction. These symptoms should go away as the decoction starts to work (usually within 30 minutes). The patient should rest after taking the decoction to minimize these side effects. This formula is contraindicated in cases with vomiting or acid reflux due to heat. see more
Source date: 220 AD
Source book: Discussion of Cold Damage
The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Wu Zhu Yu Tang is a 4-ingredient Chinese Medicine formula with Evodia Fruits (Wu Zhu Yu) as a principal ingredient.
Invented in 220 AD, it belongs to the category of formulas that warm the middle and dispel Cold. Its main actions are: 1) warms and tonifies the Liver and Stomach and 2) directs Rebellious Qi downward.
In Chinese Medicine health conditions are thought to arise due to "disharmonies" in the body as a system. These disharmonies are called "patterns" and the very purpose of herbal formulas is to fight them in order to restore the body's harmony.
In this case Wu Zhu Yu Tang is used by TCM practitioners to fight patterns like Stomach Yang Deficient and Cold or Cold invading the Stomach. From a Western Medicine standpoint, such patterns can give rise to a range of conditions such as acute gastroenteritis, cholecystitis or morning sickness for instance.
On this page, after a detailed description of each of the four ingredients in Wu Zhu Yu Tang, we review the patterns and conditions that Wu Zhu Yu Tang helps treat.
Wu Zhu Yu is a king ingredient in Wu Zhu Yu Tang. Like the name indicates, it means it has more power than other ingredients in the formula.
Wu Zhu Yu is acrid and hot and it enters the Liver, Stomach, and Spleen. It warms the Middle, disperses Cold, promotes the movement of Qi, and directs Rebellious Qi downward.
Sheng Jiang is a deputy ingredient in Wu Zhu Yu Tang. This means it helps the king ingredient(s) treat the main pattern or it serves to treat a coexisting pattern.
Sheng Jiang helps the key herb accomplish task by warming Stomach and directing its Qi downward. Evodia fruit treats acid reflux due to Liver Cold accosting the Stomach in addition, its bitterness directs the Stomach Qi downward. Fresh ginger excels at dispersing clear Body Fluids from the Stomach . Together, the two herbs treat all aspects of vomiting due to Cold-Phlegm.
Ren Shen is an assistant ingredient in Wu Zhu Yu Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
Part used: Dried root
Nature: Warm
Meridian affinity: HeartLungSpleen
Category: Tonic herbs for Qi Deficiency
Ren Shen tonifies Qi by strengthening the Middle Burner. It also promotes the generation of Body Fluids and calms the Mind/Spirit. It is because severe vomiting damages the Spleen and Stomach, injures the Body Fluids, and disturbs the spirit.
Da Zao is an envoy ingredient in Wu Zhu Yu Tang. This means that it directs the formula towards certain area of the body and/or harmonizes the actions of other ingredients.
Part used: Dried ripe fruit
Nature: Warm
Taste(s): Sweet
Meridian affinity: SpleenStomach
Category: Tonic herbs for Qi Deficiency
Da Zao is sweet and it moderates the acrid, drying properties of key herb and deputy herb. It also supports the Qi-tonifying action of the assistant herb.
It's important to remember that herbal formulas are meant to treat patterns, not "diseases" as understood in Western Medicine. According to Chinese Medicine patterns, which are disruptions to the body as a system, are the underlying root cause for diseases and conditions.
As such Wu Zhu Yu Tang is used by TCM practitioners to treat two different patterns which we describe below.
But before we delve into these patterns here is an overview of the Western conditions they're commonly associated with:
Acute gastroenteritis Cholecystitis Morning sickness Pyloric spasm Neurogenic headache Migraine headache Hypertension Trigeminal neuralgia Meniere's disease Eye fatigue Corneal ulcers Conjunctivitis Acute congestive glaucoma Recalcitrant hordeolum Acute gastritis Peptic ulcers Chronic hepatitis Bacillary dysentery Ulcerative colitis Chronic gastritis Recalitrant perimenopausal vomiting Chronic cholecystitis
Again it wouldn't be correct to say "Wu Zhu Yu Tang treats acute gastroenteritis" for instance. Rather, Wu Zhu Yu Tang is used to treat patterns that are sometimes the root cause behind acute gastroenteritis.
Now let's look at the two patterns commonly treated with Wu Zhu Yu Tang.
The Stomach is a so-called "Fu" Organ. Learn more about the Stomach in Chinese Medicine
Pulse type(s): Deep (Chen), Slow (Chi), Weak (Ruo)
Symptoms: No thirst Tiredness Weak limbs Cold limbs Poor appetite Pale complexion Vomiting of clear fluids Preference for warm drinks and foods Epigastric pain relieved with pressure or eating
Wu Zhu Yu Tang is sometimes prescribed by TCM practitioners to treat Stomach Yang Deficient and Cold. This pattern leads to symptoms such as epigastric pain relieved with pressure or eating, poor appetite, preference for warm drinks and foods and vomiting of clear fluids. Patients with Stomach Yang Deficient and Cold typically exhibit deep (Chen), slow (Chi) or weak (Ruo) pulses.
Also called Stomach Yang Deficiency, this pattern is normally associated with Spleen-Yang Deficiency, which leads to Internal Cold, resulting in cold limbs, loose stools, vomiting of clear fluids, no thirst, preference for warm drinks and foods and a Weak pulse.
When Stomach Qi is deficient, it may... read more about Stomach Yang Deficient and Cold
The Stomach is a so-called "Fu" Organ. Learn more about the Stomach in Chinese Medicine
Pulse type(s): Deep (Chen), Slow (Chi), Tight (Jin)
Symptoms: Nausea Cold limbs Feeling of cold Severe epigastric pain Vomiting of clear fluids Preference for warm drinks and foods Feeling worse after drinking cold drinks
Wu Zhu Yu Tang is sometimes prescribed by TCM practitioners to treat Cold invading the Stomach. This pattern leads to symptoms such as severe epigastric pain, feeling of cold, cold limbs and preference for warm drinks and foods. Patients with Cold invading the Stomach typically exhibit deep (Chen), slow (Chi) or tight (Jin) pulses.
Pathogenic Cold blocks the Stomach and prevents Stomach-Qi from descending, hence the vomiting and the pain.
Cold impairs the Yang of the Stomach and Spleen and prevents the food essences from reaching the body, hence the feeling of cold, the Slow pulse, the preference for warm liquids and... read more about Cold invading the Stomach
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