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.
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Weak knees can be the consequence of several so-called “patterns of disharmony” in Chinese Medicine.
Chinese Medicine sees the body as a system, not a sum of isolated parts. A "pattern" is when the system's harmony is disrupted, leading to symptoms or signs that something is wrong (like weak knees here). It is similar to the concept of disease in Western Medicine but not quite: a Western disease can often be explained by several Chinese patterns and vice-versa.
A pattern often manifests itself in a combination of symptoms that, at first glance, do not seem necessarily related to each others. For instance here weak knees is often associated with dizziness, tinnitus and night sweats in the pattern “Kidney Yin Deficiency”. As you will see below, we have in record five patterns that can cause weak knees.
Once identified, patterns are treated using medicinal herbs, acupuncture, and other therapies. In the case of weak knees we’ve identified five herbal formulas that may help treat patterns behind the symptom.
We’ve also selected below the five medicinal herbs that we think are most likely to help treat weak knees.
The five "patterns of disharmony" that can cause weak knees
In Chinese Medicine weak knees is a symptom for 5 patterns that we have on record. Below is a small explanation for each of them with links for more details.
The Kidneys is a so-called "Zang" Organ. Learn more about the Kidneys in Chinese Medicine
Kidney Yin Deficiency
Pulse type(s): Rapid (Shu), Empty (Xu), Floating (Fu)
Tongue coating: Complete absence of coating
Tongue color: Red
Tongue shape: Cracked
Kidney Yin Deficiency causes false Heat symptoms, such as night sweats, thirst and five palm heat. These signs are from a depletion of Body Fluids and Essence. It can be caused by prolonged overwork, excessive sexual activity, chronic long term illnesses, consumption of Body Fluids by Heat, prolonged blood loss, overdosage of Kidney Yang tonics herbs, smoking and Kidney depleting foods such as coffee, alcohol, sugar, and fruit juices.
In addition to weak knees, other symptoms associated with Kidney Yin Deficiency include dizziness, tinnitus and night sweats.
From a Western Medicine standpoint Kidney Yin Deficiency is associated with health issues such as Menopausal Syndrome, Prolonged Periods or Irregular Menstruation.
Kidney Yin Deficiency is often treated with Liu Wei Di Huang Wan, a herbal formula made of 6 herbs (including Prepared Rehmannia - Shu Di huang - as a key herb). Liu Wei Di Huang Wan belongs to the category of "formulas that nourish yin and tonify", which might be why it is often recommended for this pattern. Its main action as a formula is: "Nutritive tonic for the Liver and Kidney Yin Essence (nourishes the parasympathetic nervous system)".
The Kidneys is a so-called "Zang" Organ. Learn more about the Kidneys in Chinese Medicine
Kidney Yang Deficiency
Pulse type(s): Deep (Chen), Slow (Chi)
Tongue coating: Thin white coating
Tongue color: Pale
Tongue shape: Swollen
Kidney Yang Deficiency causes Internal Cold and weakness.
In addition to weak knees, other symptoms associated with Kidney Yang Deficiency include dizziness, tinnitus and night sweats.
From a Western Medicine standpoint Kidney Yang Deficiency is associated with health issues such as Late Menstruation, Menopausal Syndrome or Irregular Menstruation.
Kidney Yang Deficiency is often treated with Ba Wei Di Huang Wan, a herbal formula made of 8 herbs (including Prepared Rehmannia - Shu Di huang - as a key herb). Ba Wei Di Huang Wan belongs to the category of "formulas that nourish yin and tonify", which might be why it is often recommended for this pattern. Its main action as a formula is: "Tonifies Yang".
The Kidneys is a so-called "Zang" Organ. Learn more about the Kidneys in Chinese Medicine
Kidney and Liver Yin Deficiency
Pulse type(s): Empty (Xu), Floating (Fu)
Tongue coating: Partial absence of coating
Tongue color: Red
In addition to weak knees, other symptoms associated with Kidney and Liver Yin Deficiency include dizziness, tinnitus and night sweats.
From a Western Medicine standpoint Kidney and Liver Yin Deficiency is associated with health issues such as Absence Of Menstruation, Menopausal Syndrome or Vaginal Itching.
Kidney and Liver Yin Deficiency is often treated with Zuo Gui Wan, a herbal formula made of 8 herbs (including Prepared Rehmannia - Shu Di huang - as a key herb). Zuo Gui Wan belongs to the category of "formulas that nourish yin and tonify", which might be why it is often recommended for this pattern. Its main action as a formula is: "Nourishes the Yin".
Ginseng (Ren Shen) is the king ingredient for Si Jun Zi Tang, a formula used for Qi Deficiency
Qi Deficiency
Pulse type(s): Empty (Xu), Weak (Ruo)
Tongue color: Pale
Qi Deficiency simply means lack of Qi. It includes the lack of Original Qi, Nutritive Qi, Defensive Qi or the Qi that resides in Organs or Channels. It mainly manifests itself in a weakened function of Organs and a declining ability of the body to resist diseases.
In addition to weak knees, other symptoms associated with Qi Deficiency include dizziness, poor appetite and thin and watery periods.
From a Western Medicine standpoint Qi Deficiency is associated with health issues such as Abnormal Uterine Bleeding or Heavy Menstruation.
Qi Deficiency is often treated with Si Jun Zi Tang, a herbal formula made of 4 herbs (including Ginseng - Ren Shen - as a key herb). Si Jun Zi Tang belongs to the category of "formulas that tonify qi", which might be why it is often recommended for this pattern. Its main action as a formula is: "Tonifies Qi".
The Heart is a so-called "Zang" Organ. Learn more about the Heart in Chinese Medicine
Disharmony between Heart and Kidneys
Pulse type(s): Rapid (Shu), Empty (Xu), Fine (Xi), Floating (Fu)
Tongue color: Red
In addition to weak knees, other symptoms associated with Disharmony between Heart and Kidneys include dizziness, tinnitus and night sweats.
From a Western Medicine standpoint Disharmony between Heart and Kidneys is associated with health issues such as Menopausal Syndrome.
Disharmony between Heart and Kidneys is often treated with Tian Wang Bu Xin Dan, a herbal formula made of 14 herbs (including Unprepared Rehmannia - Di Huang - as a key herb). Tian Wang Bu Xin Dan belongs to the category of "formulas that nourish the heart and calm the mind", which might be why it is often recommended for this pattern. Its main action as a formula is: "Nutritive tonic: Nourishes Yin, Blood and Vital Essence of the Heart and Kidney".
Five herbal formulas that might help with weak knees
Dang Gui Di Huang Yin
Source date: 1640 AD
Number of ingredients: 7 herbs
Key actions: Nourishes Blood. Tonifies Kidney and Liver Yin. Regulates the menstrual cycle.
Why might Dang Gui Di Huang Yin help with weak knees?
Because it is a formula often recommended to treat the pattern 'Kidney Yin Deficiency' of which weak knees is a symptom.
According to Chinese Medicine, Kidney Yin Deficiency can contribute to many health issues, including Irregular Menstruation.
Er Xian Tang
Source date: 1950 AD
Number of ingredients: 6 herbs
Key actions: Nourishes Yin and tonifies Yang of the Kidneys. Clears Empty Heat. Regulates the Directing and Penetrating Vessels.
Why might Er Xian Tang help with weak knees?
Because it is a formula often recommended to treat the pattern 'Kidney Yang Deficiency' of which weak knees is a symptom.
According to Chinese Medicine, Kidney Yang Deficiency can contribute to many health issues, including Irregular Menstruation.
Zuo Gui Yin
Source date: 1624 AD
Number of ingredients: 6 herbs
Key actions: Nourishes the Yin. Tonifies the Kidneys.
Why might Zuo Gui Yin help with weak knees?
Because it is a formula often recommended to treat the pattern 'Kidney and Liver Yin Deficiency' of which weak knees is a symptom.
According to Chinese Medicine, Kidney and Liver Yin Deficiency can contribute to many health issues, including Menopausal Syndrome.
Bu Zhong Yi Qi Tang
Source date: 1247
Number of ingredients: 10 herbs
Key actions: Tonifies Qi of the Spleen and Stomach (Middle Burner). Raises the Yang. Detoxifies. Lifts what has sunken.
Why might Bu Zhong Yi Qi Tang help with weak knees?
Because it is a formula often recommended to treat the pattern 'Qi Deficiency' of which weak knees is a symptom.
According to Chinese Medicine, Qi Deficiency can contribute to many health issues, including Abnormal Uterine Bleeding.
Liu Wei Di Huang Wan
Source date: 1119 AD
Number of ingredients: 6 herbs
Key actions: Nutritive tonic for the Liver and Kidney Yin Essence (nourishes the parasympathetic nervous system).
Why might Liu Wei Di Huang Wan help with weak knees?
Because it is a formula often recommended to treat the pattern 'Disharmony between Heart and Kidneys' of which weak knees is a symptom.
According to Chinese Medicine, Disharmony between Heart and Kidneys can contribute to many health issues, including Menopausal Syndrome.
Acupuncture points used for weak knees
The five Chinese Medicinal herbs most likely to help treat weak knees
Why might Cornelian Cherry (Shan Zhu Yu) help with weak knees?
Because Cornelian Cherry is an ingredient in several formulas indicated to treat weak knees as a symptom, like Zuo Gui Yin or Qi Ju Di Huang Wan for instance.
Cornelian Cherries is a Warm herb that tastes Sour. It targets the Kidney and the Liver.
Its main actions are: Preserves and tonifies the Kidney, Liver and Essence. Stops sweating and benefits the Yang and Qi. Assists menstruation and stops bleeding.
Why might Prepared Rehmannia (Shu Di Huang) help with weak knees?
Because Prepared Rehmannia is an ingredient in several formulas indicated to treat weak knees as a symptom, like Zuo Gui Yin or Qi Ju Di Huang Wan for instance.
Prepared Rehmannia is a Warm herb that tastes Sweet. It targets the Kidney and the Liver.
Its main actions are: Tonifies the Blood. Tonifies the Yin of the Kidneys.
Why might Dong Quai (Dang Gui) help with weak knees?
Because Dong Quai is an ingredient in several formulas indicated to treat weak knees as a symptom, like Dang Gui Di Huang Yin or Er Xian Tang for instance.
Dong Quai is a Warm herb that tastes Pungent and Sweet. It targets the Spleen, the Heart and the Liver.
Its main actions are: Tonifies the Blood. Lubricates the Intestines. Relieve constipation. Promotes circulation and dispels Bi Pain. Reduce Dysmenorrhea and help with irregular menstruation.
Why might Liquorice (Gan Cao) help with weak knees?
Because Liquorice is an ingredient in several formulas indicated to treat weak knees as a symptom, like Bu Zhong Yi Qi Tang or Gui Pi Tang for instance.
Liquorice is a Neutral herb that tastes Sweet. It targets the Spleen, the Stomach, the Heart and the Lung.
Its main actions are: Tonifies the Basal Qi and nourishes the Spleen Qi. Clears Heat and dispels toxicity. Moistens the Lungsexpel phlegm and stop coughing. Relieves spasms and alleviates pain. Harmonizes and moderates the effects of other herbs.
Why might Yam (Shan Yao) help with weak knees?
Because Yam is an ingredient in several formulas indicated to treat weak knees as a symptom, like Fu Tu Dan or Ba Wei Di Huang Wan for instance.
Yam is a Neutral herb that tastes Sweet. It targets the Spleen, the Kidney and the Lung.
Its main actions are: Tonifies the Spleen and Stomach. Tonifies the Lung Qi and nourishes the Lung Yin. Nourishes the Kidneys and consolidates Jing.
Conditions associated with weak knees
Abnormal uterine bleeding Irregular menstruation Menopausal syndrome
Other symptoms often associated with weak knees
Dizziness Tinnitus Night sweats Hot flushes Malar flush Depression Blurred vision Dry throat Poor appetite Dry mouth