Tao Hong Si Wu Tang

Peach Pit and Carthamus Four-Substance Decoction · 桃红四物汤

Also known as: Jia Wei Si Wu Tang (加味四物汤, Augmented Four-Substance Decoction)

A classical formula that both nourishes and invigorates the Blood, used to address menstrual irregularities, period pain, and other conditions caused by Blood stagnation combined with Blood deficiency. It builds on the famous Si Wu Tang (Four-Substance Decoction) by adding Peach Kernel and Safflower to strengthen its ability to move stagnant Blood and promote healthy circulation.

Origin Yi Lei Yuan Rong (医垒元戎) by Wang Haogu, as cited in Yu Ji Wei Yi (玉机微义); the name 'Tao Hong Si Wu Tang' first appears in Yi Zong Jin Jian (医宗金鉴) — Yuán dynasty, ~1291 CE
Composition 6 herbs
Shu Di Huang
King
Shu Di Huang
Dang Gui
King
Dang Gui
Tao Ren
Deputy
Tao Ren
Hong Hua
Deputy
Hong Hua
Bai Shao
Assistant
Bai Shao
Chuan Xiong
Assistant
Chuan Xiong
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Educational content Consult qualified TCM practitioners for diagnosis and treatment

Patterns Addressed

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Tao Hong Si Wu Tang is designed to correct these specific patterns.

Why Tao Hong Si Wu Tang addresses this pattern

Blood stasis in the uterus and Chong-Ren vessels is the core pathology this formula treats. When Blood accumulates and fails to flow, it causes painful periods, dark clotted menstrual blood, and irregular cycles. The formula's Deputies, Tao Ren and Hong Hua, directly break up and dispel the stagnant Blood. Meanwhile, Dang Gui and Chuan Xiong keep the Blood moving so it does not re-congeal, and Shu Di Huang and Bai Shao replenish the Blood that was depleted by the stasis. The overall effect is to clear old stagnant Blood and generate fresh, smoothly flowing Blood.

A practitioner would look for one or more of these signs

Premenstrual Pain

Cramping or stabbing abdominal pain before or during the period

Blood Clots In Period

Menstrual blood that is dark purple with clots

Irregular Menstruation

Periods arriving early, late, or with irregular flow

Dark Complexion

Dull, dark facial complexion

Pale Tongue

Tongue with purple or dusky color or visible purple spots

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Tao Hong Si Wu Tang when these conditions are specifically caused by those patterns — not for all cases of these conditions.

Arises from: Blood Stagnation

TCM Interpretation

In TCM, period pain most commonly results from Blood failing to flow smoothly through the uterus and the Chong (Penetrating) and Ren (Conception) vessels. Emotional stress, cold exposure, or constitutional Blood deficiency can cause Blood to stagnate in the lower abdomen. When Blood pools and congeals rather than flowing freely, the principle of 'blockage causes pain' applies. The stagnant Blood also prevents new Blood from nourishing the uterine lining properly, leading to clots, dark blood, and cramping pain that worsens with pressure.

Why Tao Hong Si Wu Tang Helps

Tao Hong Si Wu Tang directly addresses this mechanism on two fronts. Tao Ren and Hong Hua break up the accumulated Blood clots and restore flow through the uterine vessels, relieving the obstruction that causes pain. At the same time, Shu Di Huang and Dang Gui replenish the Blood supply so the uterus is properly nourished, while Chuan Xiong moves Qi to propel Blood movement and also has its own pain-relieving properties. Bai Shao relaxes spasm and eases cramping. The formula is considered a moderately gentle stasis-resolving approach, making it well suited for ongoing menstrual pain where Blood deficiency coexists with stasis.

Also commonly used for

Irregular Menstruation

Irregular periods with Blood stasis and deficiency

Migraine

Chronic headache with Blood stasis pattern

Urticaria

Hives related to Blood deficiency generating Wind

Diabetic Neuropathy

Peripheral neuropathy from diabetes with Blood stasis

Cerebral Infarction

Ischemic stroke recovery with Blood stasis pattern

Uterine Hemorrhage

Eye bleeding disorders with Blood stasis

What This Formula Does

Every TCM formula has a specific set of actions — here's what Tao Hong Si Wu Tang does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Tao Hong Si Wu Tang is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Tao Hong Si Wu Tang performs to restore balance in the body:

How It Addresses the Root Cause

TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Tao Hong Si Wu Tang works at the root level.

This formula addresses a condition where Blood Deficiency and Blood Stasis exist together and reinforce each other. In TCM theory, the Liver stores the Blood and governs its smooth flow. When the Liver Blood becomes deficient, it loses its natural fluidity, becoming sluggish and prone to stagnation. Conversely, once stasis forms, it obstructs the channels and vessels, preventing fresh Blood from being generated and circulated properly. This creates a vicious cycle: deficiency breeds stasis, and stasis deepens deficiency.

The hallmark presentation involves menstrual irregularity. Periods may arrive early because stasis generates local Heat that pushes the Blood recklessly. The menstrual blood appears dark purple, thick, and sticky with clots, reflecting the stagnant, congealed nature of the Blood. Abdominal pain, often with a fixed, stabbing quality, arises because "where there is stasis, there is pain" (不通则痛). The tongue may show a purplish hue or petechiae (dark spots), and the pulse is typically choppy or wiry, signs that Blood flow is obstructed.

The formula resolves this dual pathology by simultaneously nourishing new Blood and breaking up old stasis. As Tang Zonghai emphasized, you cannot simply attack stasis without replenishing what has been lost. By generating fresh Blood while clearing the stagnant old Blood, the formula restores the natural cycle of Blood renewal. Old stasis is expelled, new Blood fills the vessels, and Qi flows freely again to regulate the menstrual cycle and relieve pain.

Formula Properties

Every formula has an inherent temperature, taste, and affinity for specific organs — these properties determine how it interacts with the body

Overall Temperature

Warm

Taste Profile

Predominantly sweet and acrid (pungent), with a bitter undertone. Sweet from Shu Di Huang and Dang Gui to nourish and tonify, acrid from Chuan Xiong, Tao Ren, and Hong Hua to move and circulate, bitter from Tao Ren and Bai Shao to direct downward and disperse stasis.

Channels Entered

Liver Heart Spleen Chong Mai (冲脉) Penetrating Vessel Ren Mai (任脉) Conception Vessel

Ingredients

6 herbs

The herbs that make up Tao Hong Si Wu Tang, organized by their role in the prescription

King — Main ingredient driving the formula
Deputy — Assists and enhances the King
Assistant — Supports or moderates other herbs
Kings — Main ingredient driving the formula
Shu Di Huang

Shu Di Huang

Prepared Rehmannia root

Dosage 12 - 15g
Temperature Slightly Warm
Taste Sweet (甘 gān)
Organ Affinity Liver, Kidneys

Role in Tao Hong Si Wu Tang

Richly nourishes Yin and Blood, providing the material foundation of new Blood to replace what has been lost or obstructed. Its heavy, nourishing nature ensures that Blood-moving herbs do not deplete the body's resources.
Dang Gui

Dang Gui

Chinese Angelica root

Dosage 12 - 15g
Temperature Warm
Taste Sweet (甘 gān), Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Heart, Spleen

Role in Tao Hong Si Wu Tang

Both nourishes and invigorates the Blood. It tonifies the Liver Blood, regulates menstruation, and gently moves Blood, bridging the formula's dual strategy of supplementing and activating.
Deputies — Assists and enhances the King
Tao Ren

Tao Ren

Peach kernel

Dosage 6 - 9g
Temperature Neutral
Taste Bitter (苦 kǔ), Sweet (甘 gān)
Organ Affinity Heart, Liver, Large Intestine

Role in Tao Hong Si Wu Tang

A strong Blood-moving herb that breaks up Blood stasis, especially in the lower abdomen and uterus. It works powerfully to dispel congealed Blood clots and open obstructed channels.
Hong Hua

Hong Hua

Safflower flower

Dosage 4 - 6g
Temperature Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Heart, Liver

Role in Tao Hong Si Wu Tang

Invigorates Blood circulation throughout the vessels, unblocks the channels, and relieves pain. Complements Tao Ren by working more on moving Blood flow within the vessels rather than breaking solid clots.
Assistants — Supports or moderates other herbs
Bai Shao

Bai Shao

White peony root

Dosage 9 - 10g
Temperature Slightly Cool
Taste Bitter (苦 kǔ), Sour (酸 suān)
Organ Affinity Liver, Spleen

Role in Tao Hong Si Wu Tang

Nourishes Blood and preserves Yin, softens the Liver, and moderates pain. Its astringent, collecting nature balances the dispersing actions of the Blood-moving herbs, preventing excessive loss of Blood and Yin.
Chuan Xiong

Chuan Xiong

Sichuan lovage rhizome

Dosage 6 - 8g
Temperature Warm
Taste Acrid / Pungent (辛 xīn)
Organ Affinity Liver, Gallbladder, Pericardium

Role in Tao Hong Si Wu Tang

Known as the 'Qi herb within the Blood', it invigorates Qi to drive Blood movement, ensuring that Blood does not stagnate again. It also ascends to treat headache and opens stagnation in the upper body.

Why This Combination Works

How the herbs in Tao Hong Si Wu Tang complement each other

Overall strategy

This formula addresses the common clinical situation where Blood deficiency and Blood stasis coexist and perpetuate each other. When Blood is insufficient, it lacks the force to flow smoothly, so it stagnates. When it stagnates, new Blood cannot be generated. The prescription therefore nourishes Blood to create the conditions for smooth flow while simultaneously moving stagnant Blood to clear the way for new Blood production. This dual approach is captured in the classical principle: without nourishing Blood, stasis cannot be fully resolved.

King herbs

Shu Di Huang and Dang Gui together anchor the formula. Shu Di Huang is the primary Blood-nourishing substance, its rich, sweet warmth providing the raw material for new Blood. Dang Gui supplements Blood while also gently activating it, serving as the bridge between the nourishing and moving actions of the formula. Together they ensure the body has sufficient Blood reserves so that the stasis-dispelling herbs do not leave the patient depleted.

Deputy herbs

Tao Ren and Hong Hua are the formula's key additions beyond the original Si Wu Tang, and they define its therapeutic character. Tao Ren is strong at breaking up formed Blood clots, particularly in the lower abdomen and uterus. Hong Hua excels at moving Blood through the vessels and unblocking stagnant channels. Together they provide a moderately powerful but stable stasis-dispelling action, strong enough to address menstrual clots and pain but not so aggressive as to cause excessive bleeding.

Assistant herbs

Bai Shao (reinforcing assistant) nourishes Blood and preserves Yin, while its mildly astringent quality restrains the dispersing action of the Blood-moving herbs, preventing excessive Blood loss. Chuan Xiong (reinforcing assistant) moves Qi within the Blood, because in TCM, Qi is the commander of Blood. By ensuring Qi flows freely, Chuan Xiong prevents Blood from re-stagnating after it has been mobilized.

Notable synergies

The Tao Ren and Hong Hua pairing is one of the most classic Blood-moving combinations in TCM. Tao Ren targets formed stasis and breaks it up, while Hong Hua circulates Blood through the vessels. Together they achieve a broader stasis-resolving effect than either alone. The Dang Gui and Chuan Xiong pairing is equally fundamental: Dang Gui nourishes and moves Blood, while Chuan Xiong moves Qi to propel the Blood. The Shu Di Huang and Bai Shao pairing anchors the Yin and Blood, ensuring the formula's moving actions do not consume the body's reserves.

How to Prepare

Traditional preparation instructions for Tao Hong Si Wu Tang

Place all six herbs in a clay or ceramic pot. Add approximately 800 ml (about 4 rice bowls) of water and optionally a small amount of rice wine. Bring to a boil over high heat, then reduce to a gentle simmer. Decoct for approximately 30 minutes until the liquid is reduced to roughly 200 ml (about 1 bowl). Strain and divide into two doses, taken warm in the morning and evening. Typically taken after the menstrual period has ended, for 5 to 7 consecutive days per cycle.

Common Modifications

How practitioners adapt Tao Hong Si Wu Tang for specific situations

Removed
Shu Di Huang

Replace with Sheng Di Huang (生地黄, raw Rehmannia) 12-15g to cool Blood

Bai Shao

Replace with Chi Shao (赤芍, Red Peony) 9-10g to cool and invigorate Blood

When Blood stasis is accompanied by Heat, the warming and tonifying Shu Di Huang and the astringent Bai Shao are swapped for their cooler counterparts. Sheng Di Huang clears Heat from the Blood, and Chi Shao cools Blood while also strengthening the stasis-dispelling action.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herbal formula.

Contraindications

Situations where Tao Hong Si Wu Tang should not be used or requires extra caution

Avoid

Pregnancy. Tao Ren (Peach Kernel) and Hong Hua (Safflower) are potent Blood-moving herbs that can stimulate uterine contractions and risk miscarriage.

Avoid

Active heavy menstrual bleeding or hemorrhagic conditions. The formula's Blood-moving action may worsen uncontrolled bleeding.

Caution

Menstrual disorders caused primarily by Qi and Blood Deficiency without significant stasis. The Blood-moving herbs may further deplete an already weak constitution.

Caution

Individuals with Spleen deficiency and preexisting Dampness. The rich, cloying nature of Shu Di Huang (Prepared Rehmannia) may impair digestion and generate more Dampness.

Caution

People with Heat constitution or Yin Deficiency with Empty Fire. The warming, tonifying herbs (Shu Di Huang, Dang Gui) may aggravate Heat symptoms such as dry mouth, restlessness, or flushing.

Caution

Concurrent use with anticoagulant or antiplatelet medications (e.g. warfarin, aspirin, clopidogrel). The formula's Blood-activating properties may amplify bleeding risk.

Caution

Perioperative period or recent trauma with open wounds. Blood-moving herbs may delay hemostasis and impair wound healing.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated during pregnancy. Tao Ren (Peach Kernel) and Hong Hua (Safflower) are well-established Blood-moving herbs with documented uterotonic properties. Both can stimulate uterine smooth muscle contractions, posing a significant risk of miscarriage, especially in the first trimester. Hong Hua has been historically noted as a potential abortifacient when used in larger doses. Dang Gui (Chinese Angelica) also has mild uterine-stimulating activity. The entire formula is designed to move and break up stagnant Blood, an action directly opposed to the body's need to contain and nourish Blood during pregnancy. This formula should be strictly avoided throughout all stages of pregnancy unless specifically directed by a qualified practitioner for a particular post-delivery application.

Breastfeeding

Use with caution during breastfeeding. Dang Gui and Chuan Xiong contain volatile aromatic compounds that may transfer into breast milk in small amounts, though significant adverse effects on nursing infants have not been well documented. The formula's Blood-moving properties are generally considered less concerning postpartum than during pregnancy, and modified versions are sometimes used to help clear postpartum lochia. However, prolonged use may theoretically reduce breast milk production by diverting Blood circulation away from milk generation. Practitioners typically recommend short-term use under supervision and monitoring of both maternal bleeding and infant feeding tolerance. Not recommended for mothers with heavy postpartum bleeding.

Children

Tao Hong Si Wu Tang is not commonly prescribed for children and should be used with great caution in pediatric populations. The Blood-moving herbs Tao Ren and Hong Hua are potent and generally unnecessary for young children, whose Blood stasis conditions are far less common than in adults. If prescribed for older adolescents (typically post-menarche girls with dysmenorrhea or Blood stasis patterns), dosages should be reduced to approximately one-third to one-half of adult doses depending on age and body weight. The formula is generally not suitable for children under 12 years of age. For adolescents, short treatment courses (3 to 7 days per menstrual cycle) are preferred, and a qualified practitioner should closely supervise the treatment. One commercial supplier specifically notes the formula is not suitable for individuals under 18.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Tao Hong Si Wu Tang

Anticoagulants and Antiplatelet Drugs: Tao Ren (Peach Kernel), Hong Hua (Safflower), Dang Gui (Chinese Angelica), and Chuan Xiong (Szechuan Lovage) all have documented antiplatelet and blood-flow-promoting properties. Pharmacological studies show that Dang Gui's active compound ferulic acid inhibits platelet adhesion and aggregation, while Tao Ren extract reduces whole blood viscosity. Concurrent use with warfarin, heparin, aspirin, clopidogrel, or other anticoagulants/antiplatelets may synergistically enhance anticoagulant effects, increasing the risk of bruising, subcutaneous petechiae, gum bleeding, or more serious hemorrhage. INR should be monitored closely if combined use is unavoidable.

Hormone Therapies and Oral Contraceptives: The formula's action on Blood circulation and its traditional use in regulating menstruation suggests potential interactions with hormonal medications. One clinical trial studied the combination of TST with oral contraceptives and found additive benefit, but this combination should only be used under professional guidance.

NSAIDs: Since the formula and NSAIDs share some overlapping mechanisms (anti-inflammatory, pain-relieving), combined use may be acceptable in some cases but could theoretically increase gastrointestinal side effects. Monitor for any signs of digestive discomfort.

Usage Guidance

Practical advice for getting the most out of Tao Hong Si Wu Tang

Best time to take

Traditionally taken warm, twice daily on an empty stomach (morning and evening, 30 minutes before meals), or as directed by a practitioner.

Typical duration

Commonly prescribed for 1 to 4 weeks depending on severity, often taken cyclically (5 to 10 days around or after menstruation for menstrual disorders). Reassessed each cycle by the practitioner.

Dietary advice

While taking this formula, favor warm, easily digestible, Blood-nourishing foods such as dark leafy greens, red dates, goji berries, bone broth, and dark-fleshed meats. Avoid cold and raw foods (ice water, raw salads, sashimi) as these can constrict the vessels and counteract the formula's Blood-moving action. Reduce greasy, heavy, or overly rich foods that may impair digestion and generate Dampness, since Shu Di Huang is already a rich, cloying herb. Avoid excessive consumption of sour or astringent foods (vinegar, unripe fruits) which can constrict Blood flow and oppose the formula's dispersing action. A small amount of rice wine may be added during preparation, as classically recommended, to enhance the formula's circulation-promoting effect. Moderate intake of warming spices like ginger is supportive.

Tao Hong Si Wu Tang originates from Yi Lei Yuan Rong (医垒元戎) by Wang Haogu, as cited in Yu Ji Wei Yi (玉机微义); the name 'Tao Hong Si Wu Tang' first appears in Yi Zong Jin Jian (医宗金鉴) Yuán dynasty, ~1291 CE

Classical Texts

Key passages from the classical Chinese medical texts that first described Tao Hong Si Wu Tang and its clinical use

《医宗金鉴·妇科心法要诀》(Yī Zōng Jīn Jiàn, The Golden Mirror of Medicine):
"经水先期而至……若血多有块,色紫稠粘,乃内有瘀血,用四物汤加桃仁、红花破之,名桃红四物汤。"
"When menstruation arrives ahead of schedule... if the blood is copious with clots, dark purple and thick in consistency, this indicates internal Blood stasis. Use Si Wu Tang with added Tao Ren and Hong Hua to break it up. This is called Tao Hong Si Wu Tang."

《妇科冰鉴》(Fù Kē Bīng Jiàn, The Mirror of Gynecology) by Chai Dehua:
"血多有块,色紫稠粘者,有瘀停也,桃红四物汤随其流以逐之。"
"When there is copious blood with clots, dark purple and thick, this indicates stasis has accumulated. Tao Hong Si Wu Tang follows the flow to expel it."

Tang Zonghai (唐宗海) on the treatment principle:
"不补血而祛瘀,瘀又安能尽去哉?……补泻兼行,瘀既去而正不伤。"
"If one dispels stasis without nourishing the Blood, how can the stasis ever be fully eliminated?... By supplementing and draining simultaneously, the stasis is removed without injuring the body's vitality."

Historical Context

How Tao Hong Si Wu Tang evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Tao Hong Si Wu Tang is a modification of the foundational formula Si Wu Tang (Four-Substance Decoction), which itself traces back to the Song Dynasty text Tai Ping Hui Min He Ji Ju Fang (太平惠民和剂局方, compiled around 1107 AD). Si Wu Tang, composed of Shu Di Huang, Dang Gui, Bai Shao, and Chuan Xiong, became the single most important Blood-tonifying formula in Chinese medicine history, earning the title "the first formula of gynecology." The noted Qing-era physician Fei Boxiong praised it, saying the formula "governs the Blood category as the chief prescription; though only four herbs, it treats all three Yin channels."

The addition of Tao Ren and Hong Hua to Si Wu Tang first appeared in the Yuan Dynasty physician Wang Haogu's Yi Lei Yuan Rong (医垒元戎), as recorded in the Ming Dynasty text Yu Ji Wei Yi (玉机微义). However, the specific name "Tao Hong Si Wu Tang" was first used by the Qing Dynasty imperial physician Wu Qian (吴谦) in his monumental work Yi Zong Jin Jian (医宗金鉴, The Golden Mirror of Medicine, 1742), in the gynecology chapter. The formula was also recorded in Chai Dehua's Fu Ke Bing Jian (妇科冰鉴). In modern times, the formula has been included in China's national list of classical famous prescriptions (古代经典名方目录), affirming its enduring clinical significance.

Over the centuries, practitioners have developed important modifications. For cases with more pronounced stasis than deficiency, Bai Shao (White Peony) may be swapped for Chi Shao (Red Peony), and Shu Di Huang (Prepared Rehmannia) replaced with Sheng Di Huang (Raw Rehmannia), shifting the formula's emphasis from nourishing toward more vigorous Blood-moving and cooling. This flexibility exemplifies the TCM principle of modifying classical formulas to fit individual patterns. Today, the formula's application has expanded far beyond gynecology into cardiology, neurology, orthopedics, dermatology, and other fields.

Modern Research

4 published studies investigating the pharmacological effects or clinical outcomes of Tao Hong Si Wu Tang

1

Systematic Review and Meta-Analysis of Tao-Hong Siwu Tang for Primary Dysmenorrhea (2020)

Ji HR, Park KS, Woo HL, et al. Explore: The Journal of Science and Healing, 2020, Vol. 16, No. 5, pp. 297-303.

This systematic review evaluated multiple RCTs comparing modified Tao Hong Si Wu Tang to NSAIDs for primary dysmenorrhea. The meta-analysis found that the modified formula showed significantly better symptom relief compared to NSAIDs (RR = 1.53), with one trial also showing lower recurrence rates. The authors concluded there is moderate quality evidence supporting the formula's superiority over NSAIDs for dysmenorrhea, though they noted limitations in trial methodology.

DOI
2

Neuroprotection Against Middle Cerebral Artery Occlusion-Induced Cerebral Ischemia in Rats (Preclinical, 2011)

Wu CJ, Chen JT, Yen TL, Jayakumar T, Chou DS, Hsiao G, Sheu JR. Evidence-Based Complementary and Alternative Medicine, 2011, Vol. 2011, Article 803015.

This preclinical study investigated the neuroprotective effects of Tao Hong Si Wu Tang in a rat model of cerebral ischemia. The formula conferred neuroprotection by inhibiting HIF-1α and TNF-α activation, suppressing the inflammatory response (decreased iNOS expression) and inhibiting apoptosis (reduced active caspase-3). These findings suggest a potential mechanism for the formula's traditional use in stroke-related conditions.

DOI
3

Anti-inflammatory Effects in COPD-Lung Cancer Mouse Model (Preclinical, 2024)

Wang GL, Xu YL, Zhao KM, et al. World Journal of Clinical Oncology, 2024, Vol. 15, No. 9, pp. 1198-1206.

This preclinical study examined the anti-inflammatory effects of Tao Hong Si Wu Tang in a mouse model combining COPD and lung cancer. The formula significantly reduced serum levels of IL-1β, IL-6, and TNF-α compared to controls, and modulated the IL-6/JAK/STAT signaling pathway in lung tissue. The findings suggest potential anti-inflammatory mechanisms relevant to chronic inflammatory lung diseases.

DOI
4

Improvement of Depressive-like Behaviors in Perimenopausal Depression Mouse Model (Preclinical, 2024)

Published 2024 (Authors from Chinese institutions). Detailed journal citation available via PMID.

This study used ovariectomized mice exposed to hypoxic stress to model perimenopausal depression. Tao Hong Si Wu Tang significantly reduced immobility time in behavioral tests, decreased serum corticosterone and ACTH levels, and activated the BDNF-TrkB-CREB signaling pathway in the hippocampus. The findings suggest the formula may modulate the hypothalamic-pituitary-adrenal-ovary axis in perimenopause.

PubMed

Research on TCM formulas is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.