Chronic Constipation
A Traditional Chinese Medicine Educational Guide
Key Takeaways
- •Chronic constipation affects 2–27% of the general population depending on diagnostic criteria, and is especially prevalent among older adults and women. TCM understands it as a disruption in the Large Intestine's downward transmission function, driven by deficiency, dryness, or stagnation.
- •Five major TCM patterns are commonly identified: Stomach and Intestine Dryness, Qi Stagnation, Spleen Qi Deficiency, Blood Deficiency, and Cold Accumulation — each with distinct symptoms, tongue and pulse signs, and treatment approaches.
- •Ma Zi Ren Wan and Run Chang Tang are among the most studied classical formulas, with a 2022 systematic review (PMID: 35801027) evaluating 97 trials involving 8,693 patients with functional constipation.
- •Lifestyle and dietary factors — adequate fiber, hydration, physical activity, and regular meal timing — are foundational in both conventional and TCM approaches. TCM adds emphasis on warm cooked foods, emotional regulation, and pattern-specific dietary advice. Red-flag symptoms always warrant urgent medical evaluation.
Important Safety Notice
Blood in your stool is never normal. Other symptoms that require immediate medical attention include sudden severe abdominal pain, vomiting alongside constipation, unexplained weight loss, inability to pass gas, and black tarry stools. These may indicate bowel obstruction, colorectal cancer, or other serious conditions. This page is for educational purposes only and does not replace professional medical evaluation.
Quick Facts
- Medical Term
- Chronic constipation
- Diagnostic Criteria
- Fewer than 3 bowel movements per week for 6+ months, or difficult passage
- TCM Patterns
- Spleen Qi Xu (Pi Qi Xu), Stomach/Intestine Dryness (Wei Chang Zao Run), Qi Stagnation (Qi Zhi), Blood Deficiency (Xue Xu), Cold Accumulation (Han Ning)
- When to Seek Care
- Blood in stool, sudden change in bowel habits, severe abdominal pain, unexplained weight loss, inability to pass gas
What Is Chronic Constipation?
Chronic constipation is one of the most common gastrointestinal complaints worldwide, and it's also one of the most frequently discussed conditions in TCM digestive practice. Understanding it from both a conventional medical and TCM perspective gives you a more complete picture of what's happening and what options exist.
Constipation is generally defined as having fewer than three bowel movements per week, or experiencing hard, dry, lumpy stools that are difficult or painful to pass. The Rome IV criteria — the standard diagnostic framework used in gastroenterology — define functional constipation as the presence of at least two of the following symptoms for at least 3 months (with symptom onset at least 6 months before diagnosis): straining during at least 25% of defecations, lumpy or hard stools in at least 25% of defecations, a sensation of incomplete evacuation in at least 25% of defecations, a sensation of anorectal obstruction in at least 25% of defecations, the use of manual maneuvers in at least 25% of defecations, and fewer than three defecations per week.
Pathophysiology
Chronic constipation isn't a single disease — it's a symptom with multiple underlying mechanisms. Slow transit constipation accounts for a significant proportion of cases and involves delayed movement of stool through the colon. Research suggests this may result from decreased colonic contractility, altered enteric nervous system signaling, or disruptions in the interstitial cells of Cajal (the pacemaker cells of the gut). Pelvic floor dysfunction — also called dyssynergic defecation — involves impaired coordination of the pelvic floor and abdominal muscles during defecation. The person may strain excessively because the muscles that should relax during a bowel movement instead contract. Studies suggest that up to 50% of patients with chronic constipation referred to tertiary centers have some form of pelvic floor dysfunction.
The gut-brain axis also plays a significant role. Stress, anxiety, and depression can alter gut motility through autonomic nervous system pathways and hypothalamic-pituitary-adrenal (HPA) axis activation. Serotonin — with about 95% of the body's supply located in the gut — is a key regulator of intestinal motility, and disruptions in serotonergic signaling are implicated in both constipation-predominant IBS and chronic idiopathic constipation. The relationship between the gut microbiome and constipation is also an active area of research, with some evidence suggesting that microbial composition differs between constipated and non-constipated individuals.
Common Causes and Risk Factors
Several factors raise the odds of developing chronic constipation. Low dietary fiber intake is one of the most consistently identified risk factors — the average Western diet provides roughly 15 g of fiber per day, compared to the recommended 25–30 g. Dehydration reduces the water available to soften stool in the colon. Physical inactivity slows colonic transit — the link between sedentary lifestyle and constipation is well-documented, with exercise increasing colonic motility through mechanical and neurohormonal mechanisms.
Medications are a major contributor. Opioids slow gut motility by binding to mu-opioid receptors in the enteric nervous system. Iron supplements, calcium channel blockers, anticholinergics, tricyclic antidepressants, and some antihypertensives can all produce constipation as a side effect. IBS-C (constipation-predominant irritable bowel syndrome) affects an estimated 30–50% of IBS patients and represents a distinct pathophysiology involving altered visceral sensitivity and dysregulated motility. Endocrine disorders like hypothyroidism slow metabolic processes throughout the body, including gut motility. Diabetes can cause autonomic neuropathy that impairs intestinal function.
Epidemiology
Chronic constipation is remarkably common, though prevalence estimates vary widely depending on the definition used. Population studies report prevalence ranging from 2% to 27%, with a commonly cited figure of roughly 15% in the general population. The condition is more prevalent in women (roughly 2:1 female-to-male ratio), older adults (prevalence rises significantly after age 65), and individuals with lower socioeconomic status. In the United States, constipation accounts for approximately 2.5 million physician visits annually and is among the most common reasons for over-the-counter laxative use. The economic burden is substantial, with direct and indirect costs estimated at billions of dollars per year.
Historical Context of TCM Understanding
The TCM understanding of constipation stretches back well over two millennia. The foundational text is the Huang Di Nei Jing (Yellow Emperor's Inner Canon), compiled between approximately 400 BCE and 200 CE. This text establishes the core principle that the Large Intestine is responsible for the transmission and transformation of waste — it's described as a “fu” (hollow) organ that receives processed material from the Small Intestine and moves it downward for excretion. The concept of da bian (bowel movement) in the Nei Jing is linked to the coordinated function of the Large Intestine, Spleen, Stomach, and Kidney. When any of these organs' functions are disrupted, the downward transmission of waste suffers.
Zhang Zhongjing's Shang Han Lun (Treatise on Cold Damage, circa 180–220 CE) represents the next pivotal development. Zhang described presentations of constipation in the context of Yang Ming organ heat — a pattern where excessive heat in the Stomach and Intestines dries up the body's fluids, producing hard, dry stools, abdominal fullness, and fever. He introduced Ma Zi Ren Wan (Hemp Seed Pill) as a formula specifically designed for this heat-dryness type of constipation. The formula's structure — moistening the intestines with oil-rich seeds while gently promoting Qi descent — became a template for later formula design and remains one of the most commonly referenced formulas for constipation in modern TCM practice.
Li Dongyuan's Pi Wei Lun (Treatise on the Spleen and Stomach, 1180–1251 CE) deepened the theoretical framework considerably. Li founded the Spleen-Stomach school and argued that many cases of constipation aren't caused by excess heat but by Spleen Qi deficiency. When the Spleen is too weak to perform its transformation and transportation functions, the entire digestive cascade slows down, and waste accumulates. His emphasis on tonifying the Spleen as the foundation for treating digestive disorders influenced centuries of clinical practice. The Bu Zhong Yi Qi Tang approach — tonifying Spleen Qi to restore overall digestive motility — descends from this tradition.
Zhang Zhongjing's broader contribution to constipation treatment extends beyond Ma Zi Ren Wan. He also described patterns of Cold accumulation in the intestines and deficiency-type constipation, noting that aggressive purging with harsh laxatives (like Da Huang / rhubarb) is inappropriate for weak or deficient patients. This distinction — between excess-type constipation that can be purged and deficiency-type constipation that must be gently nourished — remains central to TCM clinical reasoning about constipation today. Across different eras, the TCM understanding evolved from the broad concept of impaired downward transmission into a more nuanced pattern-based framework that continues to guide clinical reasoning.
TCM Pattern Framework
This is an educational description of traditional TCM pattern frameworks. It is not a diagnosis or individualized treatment recommendation. TCM patterns are theoretical constructs used in traditional practice and are not equivalent to modern medical diagnoses.
Rather than treating “constipation” as a single entity, TCM practitioners identify the specific pattern underlying each person's experience. Five patterns are most commonly discussed in the context of chronic constipation, and many patients present with a combination of patterns rather than a single pure presentation. Understanding these patterns provides a framework for the traditional reasoning behind herbal and acupuncture recommendations — though it's important to remember that these are traditional categories, not modern medical diagnoses.
Stomach and Intestine Dryness(Wei Chang Zao Run, 胃肠燥润)
Mechanism
Excessive heat in the body — whether from dietary factors (spicy, greasy foods, alcohol), insufficient fluid intake, or constitutional tendency — dries up the fluids that normally lubricate the intestinal tract. Without adequate moisture, stool becomes hard, dry, and difficult to pass. Think of a riverbed during a drought: the water level drops and nothing flows smoothly. In TCM theory, the Stomach and Intestines depend on adequate body fluids (Jinye) to maintain their transforming and transmitting functions. When those fluids are consumed by heat or simply insufficient, the result is hard, dry, pellet-like stools. This pattern is particularly common after prolonged feverish illness, in hot climates, or with chronic dehydration.
Key Symptoms
- Hard, dry, pellet-like stools that are difficult to pass
- Dry mouth and thirst, especially with a preference for cold drinks
- Dark, scanty urine
- Abdominal fullness that may feel better after a bowel movement
- Possible irritability and a sensation of heat
Tongue Appearance
Red body with a dry, yellow, or scanty coating
Pulse Quality
Rapid and forceful pulse, or fine if fluids are significantly depleted
Commonly Discussed Formulas
Commonly Discussed Herbs
Clinical Notes
This is the most “textbook” constipation pattern in TCM — the symptoms map closely onto what Western medicine calls slow-transit constipation with hard stools. Ma Zi Ren Wan was specifically designed by Zhang Zhongjing for this pattern. The oil-rich seeds (Huo Ma Ren, Yu Li Ren) lubricate the intestinal tract, while Sheng Di Huang generates fluids to address the root dryness. Hydration is essential in both conventional and TCM approaches to this pattern. The dry tongue coating is one of the most reliable diagnostic signs.
Qi Stagnation(Qi Zhi, 气滞)
Mechanism
Emotional stress, irregular eating habits, or a sedentary lifestyle can cause Qi to stagnate in the digestive tract. The normal wave-like peristaltic movement of the intestines — which TCM describes as the free flow of Qi — becomes sluggish and uncoordinated. Stool isn't necessarily hard or dry, but the person struggles to initiate a bowel movement and feels as though things are “stuck.” This pattern has a strong mind-body component: it's the TCM explanation for why stress, anxiety, and life transitions so often trigger or worsen constipation. Liver Qi stagnation (from emotional stress) can also directly impede intestinal Qi flow, which is why mood changes frequently accompany this pattern.
Key Symptoms
- Infrequent bowel movements with a sense of incomplete evacuation
- Bloating, abdominal distension, and gas
- Symptoms that worsen with stress, anxiety, or emotional upset
- Mood changes: irritability, sighing, or a feeling of frustration
- Stool may be normal in consistency but difficult to initiate
Tongue Appearance
Normal or slightly red body, possibly with redness on the sides; thin coating
Pulse Quality
Wiry pulse, particularly on the left (Liver position)
Commonly Discussed Formulas
Commonly Discussed Herbs
Clinical Notes
This pattern often overlaps with IBS-C in Western diagnosis. The key feature is that constipation is triggered or worsened by emotional stress rather than by dry, hard stool. Xiao Yao San addresses the underlying Liver Qi stagnation that drives the digestive symptoms, while Zhi Shi promotes Qi movement through the intestines. Lifestyle modifications — regular exercise, stress management, and consistent meal timing — are considered essential in TCM for this pattern. This is one pattern where the mind-body connection in TCM is especially prominent.
Spleen Qi Deficiency(Pi Qi Xu, 脾气虚)
Mechanism
The Spleen in TCM is responsible for the transformation and transportation of nutrients — it's the engine of the digestive system. When Spleen Qi is depleted — from chronic illness, overwork, poor dietary habits, or aging — the entire digestive cascade slows down. The Spleen doesn't generate enough downward-propelling energy, so waste lingers in the intestines. Unlike the dryness pattern, the stool isn't necessarily hard; the problem is that there isn't enough power to push it out. The person may feel the urge to defecate but find themselves unable to produce a bowel movement without significant straining, or they may pass stool that starts normally but feels unfinished.
Key Symptoms
- Weak urge to defecate, straining despite soft or normal stool
- Fatigue, lack of energy, and a feeling of heaviness
- Pale complexion and possible shortness of breath with exertion
- Poor appetite and a tendency toward loose stools between episodes
- Postprandial fullness and bloating
Tongue Appearance
Pale body with teeth marks on the edges; thin white coating
Pulse Quality
Weak pulse, particularly at the Spleen position (right, middle)
Commonly Discussed Formulas
Commonly Discussed Herbs
Clinical Notes
This is one of the most common constipation patterns in older adults, postpartum women, and people with chronic illness. Li Dongyuan's Spleen-Stomach school emphasized that treating constipation by tonifying Spleen Qi is more appropriate for weak patients than using harsh purgatives. Huang Qi is the cornerstone herb for tonifying Spleen Qi. Warm, cooked foods and regular meals are strongly recommended. The distinction between this pattern and dryness-type constipation is clinically important: using lubricating laxatives alone without tonifying the Spleen may provide temporary relief but won't address the root cause.
Blood Deficiency(Xue Xu, 血虚)
Mechanism
In TCM theory, Blood and Qi are closely related — Qi is the commander of Blood, and Blood is the mother of Qi. When Blood is deficient — whether from chronic illness, blood loss, inadequate nutrition, or postpartum recovery — the intestinal tract loses the nourishment and moisture it needs for normal function. Blood deficiency often overlaps with Yin deficiency and Spleen Qi deficiency because the Spleen is the organ that produces Blood. This pattern is particularly common after childbirth, during menstruation, in the elderly, and in people with chronic diseases. The stools tend to be dry, but the overall presentation is one of depletion rather than heat.
Key Symptoms
- Dry, difficult-to-pass stools
- Pale complexion, pale lips, and brittle nails
- Dizziness, blurred vision, and possible palpitations
- Numbness or tingling in the extremities
- Scanty menstrual periods or amenorrhea (in women)
Tongue Appearance
Pale body with little or no coating
Pulse Quality
Fine (thin) and weak pulse
Commonly Discussed Formulas
Commonly Discussed Herbs
Clinical Notes
This pattern is especially common postpartum and in women with heavy menstrual periods. The treatment approach focuses on nourishing Blood and generating fluids, which is gentler than the purging approach used for excess-type constipation. Zeng Ye Tang (Increase Fluid Decoction) combines Sheng Di Huang, Xuan Shen, and Mai Men Dong to specifically address fluid and Blood depletion. Xiao Yao San is sometimes incorporated when Blood deficiency coexists with Liver Qi stagnation — a very common combination. Nutritional support is essential: iron-rich foods, adequate protein, and dark leafy greens are recommended alongside herbal treatment.
Cold Accumulation(Han Ning, 寒凝)
Mechanism
Cold impairs movement — this is a fundamental principle in TCM. When Cold accumulates in the intestines — whether from excessive consumption of cold and raw foods, exposure to cold environments, or constitutional Yang deficiency — the normal peristaltic function slows dramatically. It's like trying to pour oil through a frozen pipe: the cold congeals the contents and stops them from moving. This pattern is often seen in people who habitually eat cold foods, drink iced beverages, or live in cold environments without adequate warmth. It can also develop in older adults with declining Yang energy.
Key Symptoms
- Hard stools that are difficult to pass, accompanied by cold pain
- Abdominal pain that may be relieved by warmth or pressure
- Cold limbs, especially cold hands and feet
- Pale or bluish-white complexion
- Preference for warm foods and drinks; aversion to cold
Tongue Appearance
Pale body with a white, wet coating
Pulse Quality
Slow and tight or deep pulse
Commonly Discussed Formulas
Commonly Discussed Herbs
Clinical Notes
This pattern is often overlooked in modern practice because it doesn't fit the typical “hard dry stool” narrative. The distinguishing feature is the presence of cold: abdominal pain that improves with warmth, cold limbs, and a white wet tongue coating. Treatment focuses on warming the intestines to restore motility rather than adding moisture. In TCM theory, warming herbs and foods (ginger, cinnamon, warm soups) are recommended alongside the moistening herbs. This pattern is more common in cold climates, winter months, and in people who habitually consume cold foods and beverages.
Quick Pattern Differentiation Guide
The following table summarizes key distinguishing features of the five constipation-related TCM patterns to help you understand how practitioners differentiate between them:
| Pattern | Key Feature | Tongue | Pulse |
|---|---|---|---|
| Stomach/Intestine Dryness | Hard dry pellets, thirst | Red, dry yellow coating | Rapid, forceful |
| Qi Stagnation | Bloating, stress-triggered | Normal, red sides | Wiry |
| Spleen Qi Deficiency | Weak urge, strain, fatigue | Pale, teeth marks | Weak |
| Blood Deficiency | Dry stool, pale, dizzy | Pale, no coating | Fine, weak |
| Cold Accumulation | Cold pain, cold limbs | Pale, white wet coating | Slow, tight |
What Current Research Does — and Does Not — Show
Research on TCM approaches for chronic constipation has grown in recent years, but the evidence base has important limitations. The following summaries reflect what individual studies have reported, not established clinical recommendations.
Ma Zi Ren Wan for Functional Constipation
Ma Zi Ren Wan is among the most studied classical formulas for constipation. A 2022 systematic review and meta-analysis by Lyu et al., published in World Journal of Clinical Cases(PMID: 35801027), evaluated 97 randomized controlled trials involving 8,693 patients with functional constipation. The review reported that Chinese herbal medicine (CHM) was associated with a higher efficacy rate compared with conventional treatments (OR: 3.62, 95% CI: 3.19–4.11), more frequent bowel movements, and improvement in global symptoms and stool consistency. However, the authors explicitly noted that “a firm conclusion could not be reached because of the poor quality of the included trials” and called for “further trials with higher quality.” The takeaway? The signal is promising, but the evidence isn't definitive enough to make clinical recommendations.
Acupuncture for Chronic Functional Constipation
A 2024 systematic review and network meta-analysis by Tan et al., published in European Journal of Gastroenterology & Hepatology (PMID: 38829940), compared the relative efficacy and safety of chemical drugs, fecal microbiota transplantation (FMT), probiotics, dietary fiber, and acupuncture in 45 RCTs with 17,118 patients. The review reported that electroacupuncture had the lowest ranked incidence of adverse effects among the treatment modalities evaluated. Proposed mechanisms include modulation of colonic motility through autonomic nerve pathways, regulation of the gut-brain axis, and effects on visceral sensitivity. However, the review was limited by the quality of the included RCTs, many of which were conducted in China and may have had methodological limitations including inadequate blinding and short follow-up periods.
Fiber vs Herbal Approach
The 2024 American College of Gastroenterology (ACG) guidelines recommend dietary fiber supplementation as a first-line treatment for chronic constipation, based on consistent evidence that fiber increases stool frequency and improves consistency. TCM herbs approach constipation from a fundamentally different angle: rather than adding bulk, they target the underlying pattern — moistening the intestines (Huo Ma Ren, Yu Li Ren), tonifying the Spleen (Huang Qi), or promoting Qi movement (Zhi Shi). In clinical practice, these approaches aren't mutually exclusive. A 2020 systematic review by Tan et al., published in Journal of Gastroenterology and Hepatology (PMID: 31674057), examined herbal medicines for functional gastrointestinal disorders including IBS, functional dyspepsia, and functional constipation. The review found that herbal medicines showed potential benefits but noted significant heterogeneity across studies and variation in herbal formulations used.
Gut Motility Research and Prokinetic Herbs
Several herbs commonly used in TCM constipation formulations have been studied for their effects on gut motility. Huo Ma Ren (hemp seed) is rich in linoleic acid, oleic acid, and other fatty acids that may provide a lubricating effect on the intestinal mucosa. Zhi Shi (immature bitter orange) contains synephrine, a compound that may promote gastrointestinal motility through adrenergic receptor stimulation. Huang Qi (Astragalus) has been studied for its effects on smooth muscle contractility and may enhance intestinal transit through modulation of nitric oxide pathways. These findings are largely from preclinical studies, and clinical trials specifically evaluating these individual herbs for constipation remain limited. The whole-formula approach of TCM — where multiple herbs are combined for synergistic effects — adds another layer of complexity that makes it difficult to isolate the effects of any single herb.
Overall Evidence Limitations
The existing research on TCM for chronic constipation has several consistent limitations. Many studies are small and conducted at single centers in China. Methodological quality varies considerably, with many trials lacking adequate blinding, standardized herbal preparations, or clear descriptions of TCM pattern differentiation. Herbal formulations are often not standardized, making generalization difficult. Few studies include long-term follow-up or assess recurrence rates. Blinding is particularly challenging in herbal medicine and acupuncture trials. As a result, the evidence does not establish a standard TCM treatment recommendation for chronic constipation, and TCM should not replace conventional medical evaluation and management.
Safety and When to Seek Medical Care
Knowing when constipation crosses the line from a nuisance to a potentially serious concern is essential. The following symptoms require prompt conventional medical evaluation and should not be attributed to simple constipation.
Red Flags
- Blood in the stool or on toilet paper
- Sudden, unexplained change in bowel habits
- Severe abdominal pain or cramping
- Black, tarry stools (melena) — may indicate upper GI bleeding
- Unexplained weight loss
- Vomiting alongside constipation
- Inability to pass gas — may indicate bowel obstruction
- Constipation alternating with diarrhea
Pregnancy
Constipation affects an estimated 38% of pregnant individuals, due to hormonal relaxation of intestinal smooth muscle (progesterone), reduced physical activity, and iron supplementation. Pregnant individuals experiencing constipation should consult their obstetric provider before using any herbal products. Many TCM herbs discussed in the context of constipation have limited or no pregnancy safety data. Herbs containing anthraquinones — like Da Huang (rhubarb) and Fan Xie Ye (senna) — may stimulate uterine contractions and should be avoided in pregnancy. Conventional management typically starts with dietary fiber, adequate hydration, and physical activity before considering medications.
Older Adults
Constipation in older adults is common and may have multiple contributing factors including medications (opioids, calcium channel blockers, anticholinergics), reduced mobility, decreased fiber intake, and age-related changes in colonic motility. A thorough medical evaluation is important to rule out obstruction, colorectal cancer, and other serious conditions. Fiber caution: while fiber is generally recommended, a rapid increase in fiber intake in older adults can cause bloating, gas, and fecal impaction if not accompanied by adequate hydration. Older adults should increase fiber gradually and ensure sufficient fluid intake. The polypharmacy common in older populations also increases the complexity of adding herbal products to the treatment mix.
Medication Interactions
Individuals taking laxatives, opioids, iron supplements, calcium channel blockers, or other constipation-related medications should not add herbal products without consulting a qualified healthcare provider. Combining conventional laxatives with herbal laxatives can increase the risk of electrolyte disturbances, dehydration, and diarrhea. Some herbs may interact with anticoagulants, antiplatelet drugs, or cardiovascular medications. Always review your full medication list with a pharmacist or physician before starting herbal products.
Product Quality
Herbal supplements vary widely in quality, purity, and composition. Some products have been found to contain undeclared pharmaceuticals, heavy metals, or adulterants. Choose products from reputable manufacturers with third-party testing when possible. Standardized extracts can provide more consistent dosing, though they may not capture the full complexity of traditional whole-herb preparations. TCM herbal products are less tightly regulated than prescription medications in many jurisdictions. The cost of higher-quality products from GMP-certified manufacturers reflects additional quality assurance measures.
Frequently Asked Questions
What causes chronic constipation in TCM?
Which TCM herbs are traditionally used for constipation?
What is Ma Zi Ren Wan?
Does acupuncture help with chronic constipation?
What is the difference between Spleen Qi deficiency and Intestinal Dryness constipation?
What diet tips does TCM recommend for constipation?
When should I see a doctor about constipation?
What does the research say about fiber vs TCM herbs for constipation?
Is TCM safe for constipation during pregnancy?
How long does it take for TCM to work for chronic constipation?
Related Knowledge
Digestive Health
Explore TCM approaches to IBS, functional dyspepsia, GERD, and chronic constipation — a comprehensive topic hub for digestive conditions.
Ma Zi Ren Wan
Hemp Seed Pill — a classical formula for intestinal dryness constipation from the Shang Han Lun.
Run Chang Tang
Moisten the Intestine Decoction — for chronic dryness patterns with deficient intestinal fluids.
Xiao Yao San
Free and Easy Wanderer — a formula for Liver Qi stagnation that may contribute to constipation.
Huo Ma Ren
Hemp seed — one of the most widely used moistening laxative herbs in TCM practice.
Yu Li Ren
Bush cherry seed — traditionally used to lubricate the intestines and promote bowel movements.
Sheng Di Huang
Raw Rehmannia root — nourishes Yin and generates fluids for dryness-type constipation.
Huang Qi
Astragalus — tonifies Spleen Qi for deficiency-type constipation with fatigue and weakness.
Bloating
TCM perspectives on bloating, its causes, and management approaches.
Irregular Bowel Movements
Understanding irregular bowel patterns through TCM and modern medicine.
Abdominal Pain
TCM perspectives on abdominal discomfort and when to seek care.
IBS
Irritable Bowel Syndrome: TCM pattern frameworks and when to seek care.
Sources and References
1. American College of Gastroenterology (ACG)
ACG Clinical Guideline: Management of Chronic Constipation American Journal of Gastroenterology. 2024;119(10):1813-1832.
2. Lacy BE, Pimentel M, Brenner DM, et al.
Rome IV: Functional Constipation. In: Drossman DA, Chang L, eds Rome IV: Functional Gastrointestinal Disorders. 4th ed. Raleigh, NC: The Rome Foundation; 2016.
3. Lyu Z, Fan Y, Bai Y, Liu T, Zhong LL, Liang HF.
Outcome of the efficacy of Chinese herbal medicine for functional constipation: A systematic review and meta-analysis World Journal of Clinical Cases. 2022;10(15):4856-4877.
PMID: 358010274. Tan S, Zhang W, Zeng P, Yang Y, Chen S, Li Y, Bian Y, Xu C.
Clinical effects of chemical drugs, fecal microbiota transplantation, probiotics, dietary fiber, and acupuncture in the treatment of chronic functional constipation: a systematic review and network meta-analysis European Journal of Gastroenterology & Hepatology. 2024;36(7):815-830.
PMID: 388299405. Tan N, Gwee KA, Tack J, Zhang M, Li Y, Chen M, Xiao Y.
Herbal medicine in the treatment of functional gastrointestinal disorders: A systematic review with meta-analysis Journal of Gastroenterology and Hepatology. 2020;35(4):544-556.
PMID: 316740576. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Constipation — Definition & Facts, Symptoms & Causes, Treatment. Last reviewed May 2018
7. Maciocia G.
The Foundations of Chinese Medicine: A Comprehensive Text. 3rd edition. Churchill Livingstone/Elsevier. 2015. ISBN: 978-0702049875. Reference textbook for classical TCM theory including the Spleen's transformation and transportation functions, pattern differentiation for digestive disorders, and the Large Intestine's role in waste transmission
8. Zhang Zhongjing.
Shang Han Lun (Treatise on Cold Damage), circa 180–220 CE. Original classical text describing Ma Zi Ren Wan for Yang Ming organ heat constipation and the distinction between excess-type and deficiency-type constipation
9. Huang Di Nei Jing (Yellow Emperor's Inner Canon).
Compiled approximately 400 BCE–200 CE. Foundational text establishing the Large Intestine's role in transmission and transformation of waste, and the concept of coordinated Spleen-Stomach-Large Intestine function in bowel regulation
Last reviewed: July 2025 | This article is intended for educational and informational purposes only. It does not constitute medical advice, diagnosis, or treatment.
Medical Disclaimer: The information on TCMIO is provided for educational purposes only. It is not intended as medical advice, diagnosis, or treatment.
Always consult a qualified healthcare professional before using any herbal products, starting any new treatment, or making changes to your existing healthcare regimen. Do not stop or modify any prescribed treatment without consulting your healthcare provider.
If you are experiencing severe or urgent symptoms, seek immediate medical attention by calling emergency services or visiting the nearest emergency department.
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