Bai Bu Root (Stemona sessilifolia): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Bai Bu root work to stop coughing?

Bai Bu root contains alkaloids such as tuberostemonine and stemofoline that exert antitussive (cough-suppressing) effects. These compounds are believed to act on the central nervous system to reduce the cough reflex while also providing bronchodilatory effects. In Traditional Chinese Medicine terms, Bai Bu moistens the lungs and descends lung Qi. The evidence for its antitussive mechanism is rated Level C, based primarily on animal studies and traditional use rather than large-scale human trials.

Does Bai Bu root have any drug interactions?

There is limited clinical data on specific drug interactions for Bai Bu root (Stemona sessilifolia). Due to its effects on the respiratory system, caution is advised when combining with other cough suppressants or bronchodilators, as additive effects may occur. Patients taking central nervous system depressants should also exercise caution. Always consult a qualified healthcare practitioner before combining Bai Bu with prescription medications. The interaction evidence is rated Level C due to insufficient human studies.

What is the correct dosage of Bai Bu root?

The standard adult dosage for Bai Bu root is 3-9 grams of dried root per day when taken internally as a decoction. For topical applications such as treating lice or scabies, 10-20 grams of dried root is typically boiled in water and used as an external wash. Dosage should be adjusted by a qualified practitioner based on individual constitution and condition. This dosing information is based on traditional use and pharmacopoeia standards (Level C evidence).

Is Bai Bu root safe to use during pregnancy?

Bai Bu root is considered unsafe during pregnancy and should be avoided. Traditional Chinese Medicine contraindicates its use in pregnant women due to potential toxicity concerns. Additionally, Bai Bu should not be used by individuals with Spleen cold deficiency accompanied by diarrhea, as it may worsen these conditions. Women who are breastfeeding should also avoid Bai Bu unless specifically prescribed by a qualified practitioner. The safety rating is based on traditional contraindications (Level C evidence).

What conditions does Bai Bu root treat?

Bai Bu root (Stemona sessilifolia) is used in Traditional Chinese Medicine primarily to moisten the lungs, stop cough, and kill parasites. It is commonly prescribed for chronic cough, bronchitis, and whooping cough. Externally, Bai Bu is applied as a wash to treat parasitic skin conditions including lice infestations and scabies. The herb's antitussive and antiparasitic properties are attributed to alkaloids like stemonamine and protostemonine. Evidence for these uses is rated Level C, supported by traditional use and preliminary research.

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 Bu Root (Stemona sessilifolia) is a traditional Asian medicinal herb used primarily for respiratory conditions and as an insecticide [PMID:34143785, PMID:19652387].

Background

Stemona sessilifolia (Miq.) Miq., commonly known as Baibu, is a popular herbal medicine in Asia and is recognized by the Pharmacopoeia of the People's Republic of China as an authentic source of Radix Stemonae [PMID:34143785, PMID:16750339].

Traditional uses

It has been employed in traditional medicine for renal benefits including anti-edema, diuretic, and anti-jaundice properties [PMID:41317808], as well as for treating respiratory diseases such as cough and tuberculosis [PMID:37532076], and as an insecticide [PMID:19652387, PMID:31994388].

Active compounds

The roots contain various alkaloids (including tuberostemonine, protostemonine, stemoninine, and stenine) [PMID:38104498, PMID:18421751, PMID:23831460], stilbenoids (such as stilbostemins H, I, B, D, and G) [PMID:17566919], bibenzyls [PMID:17701569], and tocopherols [PMID:17701569].

Mechanism of action

Renoprotective effects are associated with the suppression of the c-Myc/c-Fos/MAPK pathway [PMID:41317808]. Protostemonine inhibits LPS-induced phosphorylation of MAPKs and AKT, iNOS expression, and NO production in macrophages [PMID:29047459]. Tuberostemonine may alleviate pulmonary fibrosis by enhancing the SLC7A11/glutamate antiporter to restrain ferroptosis [PMID:37532076]. Certain alkaloids also act as acetylcholinesterase (AChE) inhibitors [PMID:17372955, PMID:23831460].

Clinical evidence

Evidence DCough/Bronchitis

Decoctions and total alkaloid fractions of S. sessilifolia showed significant dose-dependent antitussive effects in animal models [PMID:20222432, PMID:19031364].

Evidence DAcute Lung Injury (ALI)

Protostemonine significantly attenuated LPS-induced inflammatory cell infiltration and reduced pro-inflammatory cytokines in mice [PMID:29047459].

Evidence DHyperuricemic Nephropathy

S. sessilifolia extract significantly reduced serum markers and provided renal protection in mouse models [PMID:41317808].

Evidence BHead Lice (Pediculosis)

A shampoo containing 0.12% Stemona root crude extract resulted in a 24.44% cure rate in schoolgirls, which was lower than 4% dimeticone [PMID:41258179, PMID:37352268].

Evidence DMultidrug-Resistant Cancer

Non-alkaloids extract reversed resistance to adriamycin, paclitaxel, and vincristine in MCF-7/ADR cells by modulating P-glycoprotein [PMID:26190165].

Evidence summary

The evidence consists primarily of in vitro cell studies and in vivo animal models (Level D), with limited clinical data regarding topical pediculicide efficacy (Level B).

PubMed sources

1.PMID: 38104498 (2024) — Characteristic alkaloids from Stemona sessilifolia with lung protective effects. · Bioorganic chemistry
2.PMID: 17566919 (2007) — Stilbenoids from Stemona sessilifolia. · Journal of Asian natural products research
3.PMID: 41317808 (2026) — Renoprotective effects of Stemona sessilifolia via suppression of the c-Myc/c-Fos/MAPK pathway in hyperuricemic nephropathy. · Journal of ethnopharmacology
4.PMID: 17701569 (2007) — Antibacterial constituents from Stemona sessilifolia. · Journal of Asian natural products research
5.PMID: 26190165 (2016) — Non-alkaloids extract from Stemona sessilifolia enhances the activity of chemotherapeutic agents through P-glycoprotein-mediated multidrug-resistant cancer cells. · Natural product research

Bai Bu Root

Sources & Citations

Calculate a safe dose of Bai Bu Root