Bai Hua She She Cao (Oldenlandia diffusa): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Bai Hua She She Cao work against cancer cells?

Bai Hua She She Cao (Oldenlandia diffusa) contains bioactive compounds including ursolic acid, oleanolic acid, flavonoids, and polysaccharides that exhibit anti-cancer properties. Research suggests these compounds may induce apoptosis (programmed cell death), inhibit tumor cell proliferation, suppress angiogenesis, and modulate immune response. The herb also demonstrates anti-inflammatory and antioxidant activity. Evidence level C indicates promising preliminary laboratory and animal studies, though well-designed human clinical trials remain limited.

Does Bai Hua She She Cao interact with chemotherapy drugs?

Potential interactions between Bai Hua She She Cao and chemotherapy drugs are not well-documented in clinical studies. However, due to this herb's immune-modulating and potential liver enzyme effects, it could theoretically alter the metabolism or efficacy of certain chemotherapeutic agents. Patients undergoing cancer treatment should inform their oncologist before using this herb. A qualified healthcare provider can help determine appropriate timing and whether concurrent use is suitable for individual circumstances.

What is the standard dosage for Bai Hua She She Cao?

The typical adult dosage of Bai Hua She She Cao is 15-60 grams daily when prepared as a decoction (boiled water extract). Lower doses of 15-30 grams are common for general use, while higher doses up to 60 grams may be prescribed in clinical TCM settings for serious conditions. Dosage should be individualized based on the condition, patient constitution, and practitioner guidance. This herb is frequently used in combination formulas rather than as a single herb.

Is Bai Hua She She Cao safe to take during pregnancy?

Bai Hua She She Cao is contraindicated during pregnancy and should be avoided. As a heat-clearing, toxin-resolving herb with cold thermal properties, it may pose risks to fetal development and pregnancy maintenance. Traditional Chinese Medicine cautions against its use in pregnancy due to potential effects on uterine tissue. Women who are pregnant, planning pregnancy, or breastfeeding should not use this herb without explicit guidance from a qualified healthcare practitioner.

What conditions is Bai Hua She She Cao used to treat?

In Traditional Chinese Medicine, Bai Hua She She Cao is classified as a heat-clearing, toxin-resolving herb. It is traditionally used for conditions involving heat-toxin accumulation, including various cancers, hepatitis, appendicitis, urinary tract infections, and snake bites. The herb clears heat, resolves toxicity, and promotes urination. Modern research has focused primarily on its potential anti-cancer applications. Evidence level C indicates promising preliminary findings, though more rigorous clinical studies are needed.

What are the side effects of Oldenlandia diffusa?

Bai Hua She She Cao is generally well-tolerated at recommended doses, but may cause gastrointestinal side effects including stomach upset and loose stools in some individuals. These effects are more common at higher doses or in patients with pre-existing Spleen deficiency. The herb's cold thermal nature can exacerbate cold-type digestive patterns characterized by loose stools, poor appetite, and cold extremities. Discontinue use if significant digestive discomfort occurs and consult a qualified practitioner.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Bai Hua She She Cao (Oldenlandia diffusa), also known as Hedyotis diffusa, is a traditional Chinese medicine recognized for its anti-tumor, anti-inflammatory, and immunomodulatory properties [PMID:41084455, 34933627].

Background

Oldenlandia diffusa (Hedyotis diffusa) is a plant in the Rubiaceae family used in traditional Chinese medicine [PMID:37837473, 38600880]. It is often used in folk medicine and clinical practice, though it is sometimes substituted with related species such as H. corymbosa or H. tenelliflora [PMID:41084455].

Traditional uses

It is widely utilized in traditional Chinese medicine to combat cancer and is used in formulas to treat malignant tumors [PMID:41380412, 29189741]. It is also used for clearing heat and detoxifying, particularly in the treatment of hepatocellular carcinoma [PMID:42261445].

Active compounds

The herb contains a diverse range of phytochemicals, including iridoids, anthraquinones, triterpenes (notably ursolic acid), phytosterols, flavonoids (such as quercetin and kaempferol), phenolic acids, coumarins, and polysaccharides [PMID:37837473, 11170670, 33905802, 27248992].

Mechanism of action

Mechanisms include the induction of ferroptosis via the Bax/Bcl2/VDAC2/3 axis in lung adenocarcinoma [PMID:35853302], silencing of CYP19A1/aromatase to suppress gastric cancer growth [PMID:35545835], and suppression of Src/FAK signaling to inhibit pulmonary metastasis [PMID:41380412]. It also modulates the IL-2/IL-2R pathway to enhance immunotherapy in colorectal cancer [PMID:39954887] and may act via the PPARγ/NF-κB pathway in colitis-associated colorectal cancer [PMID:41338113].

Clinical evidence

Evidence DLung Adenocarcinoma

Hedyotis diffusa injection induces ferroptosis and exhibits anti-tumor activity in vitro and in nude mouse xenograft models [PMID:35853302].

Evidence DGastric Cancer

Ursolic acid from H. diffusa suppresses growth by silencing CYP19A1/aromatase [PMID:35545835]; Fufang She-She-Cao formula is used to prevent and treat precancerous lesions [PMID:40185259].

Evidence DColorectal Cancer

Ethanol extract inhibits HT-29 cell proliferation and induces apoptosis [PMID:27280050]; polysaccharides enhance the effectiveness of PD-1 and CTLA-4 inhibitors in mice [PMID:39954887].

Evidence DOvarian Cancer

Combined with Scutellaria barbata and cisplatin, it synergistically inhibits cell viability, colony formation, and migration [PMID:39702302].

Evidence CHepatocellular Carcinoma

Used as a classic herb pair with Scutellaria barbata to modulate apoptosis, proliferation, and immune responses [PMID:42261445]; EV-like particles suppress Huh-7 cell proliferation [PMID:40744176].

Drug interactions

Hedyotis diffusa and Scutellaria barbata have been shown to synergistically enhance the chemosensitivity of cisplatin in ovarian cancer cells [PMID:39702302].

Evidence summary

The evidence consists primarily of in vitro cell line studies, animal models (mice), and literature reviews. There is a strong emphasis on anti-cancer activity across multiple tumor types, but high-level clinical trial data (RCTs) are not provided in the abstracts.

PubMed sources

1.PMID: 35853302 (2022) — Hedyotis diffusa injection induces ferroptosis via the Bax/Bcl2/VDAC2/3 axis in lung adenocarcinoma. · Phytomedicine : international journal of phytotherapy and phytopharmacology
2.PMID: 37837473 (2024) — Phytochemistry, pharmacology, and medical uses of Oldenlandia (family Rubaceae): a review. · Naunyn-Schmiedeberg's archives of pharmacology
3.PMID: 38600880 (2024) — Telomere-to-telomere genome assembly of Oldenlandia diffusa. · DNA research : an international journal for rapid publication of reports on genes and genomes
4.PMID: 26205062 (2015) — Secondary metabolites from Rubiaceae species. · Molecules (Basel, Switzerland)
5.PMID: 39702302 (2024) — Scutellaria barbata D.Don and Hedyotis diffusa Willd herb pair combined with cisplatin synergistically inhibits ovarian cancer progression through modulating oxidative stress via NRF2-FTH1 autophagic degradation pathway.

Bai Hua She She Cao

Sources & Citations

Calculate a safe dose of Bai Hua She She Cao