Aristolochia debilis (Aristolochia debilis): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Aristolochia debilis cause kidney damage?

Aristolochia debilis contains aristolochic acids, which are metabolized to form reactive compounds that bind to DNA in kidney cells. This DNA adduct formation causes mutations and cellular damage, particularly in the renal tubules. The resulting condition, aristolochic acid nephropathy, leads to progressive kidney fibrosis and can result in end-stage renal disease. These same DNA-damaging mechanisms contribute to its carcinogenic effects, especially bladder and urinary tract cancers. Evidence Level A.

Does Aristolochia debilis interact with medications?

Due to severe nephrotoxicity and carcinogenic properties, Aristolochia debilis should not be combined with any medications. The kidney damage potential may be compounded when taken with other nephrotoxic drugs such as NSAIDs, aminoglycoside antibiotics, or diuretics. Kidney impairment can also alter metabolism and elimination of numerous drugs processed through renal pathways. This herb is banned or severely restricted in most countries, making drug interaction concerns critical to avoid. Evidence Level A.

What is the recommended dosage for Aristolochia debilis?

There is no safe recommended dosage for Aristolochia debilis. The herb contains aristolochic acids, potent nephrotoxins and carcinogens with no established safe threshold. Historically in TCM, Ma Dou Ling was used at approximately 3-9 grams, but modern safety assessments have led to bans in most countries, including the United States, European Union, and many Asian nations. Any use should be avoided entirely due to risks of irreversible kidney damage and cancer. Evidence Level A.

Is Aristolochia debilis safe during pregnancy?

Aristolochia debilis is absolutely unsafe during pregnancy. The aristolochic acids it contains are potent nephrotoxins and carcinogens that can cross the placental barrier and harm fetal development. The herb poses risks of kidney damage to both the pregnant person and developing fetus, and its carcinogenic properties present additional serious concerns. Aristolochia debilis has traditionally been contraindicated in pregnancy in TCM practice. This herb must be strictly avoided by anyone pregnant, nursing, or attempting to conceive. Evidence Level A.

What is Aristolochia debilis used for in traditional medicine?

Aristolochia debilis, known as Ma Dou Ling in Traditional Chinese Medicine, has been historically used to treat respiratory conditions including coughs, asthma, and bronchitis. It was also employed for certain digestive complaints and was valued for its ability to descend lung qi and clear heat. However, modern research identified aristolochic acids as the primary active compounds, now known to cause severe kidney damage and cancer. Due to these safety concerns, the herb has been banned or restricted in most countries. Evidence Level B.

Why is Aristolochia debilis banned in many countries?

Aristolochia debilis is banned or severely restricted worldwide due to aristolochic acids, proven nephrotoxins and carcinogens. The herb causes aristolochic acid nephropathy, characterized by progressive kidney fibrosis leading to kidney failure. It is strongly linked to urinary tract cancers, particularly bladder cancer. The FDA, Health Canada, and European regulatory agencies have all issued warnings and bans. There is no known safe dose, and the DNA damage caused by aristolochic acids is cumulative and irreversible. Evidence Level A.

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

Aristolochia debilis is a plant containing benzylisoquinoline alkaloids and aristolochic acids, the latter of which are associated with severe nephrotoxicity and carcinogenicity [PMID:37116390, PMID:41411959].

Background

Aristolochia debilis (Aristolochiaceae) is a plant species whose roots, stems, and fruits are used in traditional herbal formulations [PMID:16863692, PMID:21213538]. It is sometimes confused with or used as a substitute for Aucklandiae Radix (Muxiang) [PMID:18537077, PMID:18004716].

Traditional uses

In Asia and China, the mature fruits (known as 'Madouling') have been used to treat arthritis, wound healing, and gynecological problems [PMID:26004704]. Other parts of the plant are used in traditional herbal drugs [PMID:41411959].

Active compounds

The plant contains aristolochic acids (including AAI, AAII, AAIII, AAIIIa, AAIV, AAIVa, AAVIa, AAVII, AAVIIa, and AAVIIIa) [PMID:29716853, PMID:21213538], aristolactams (I, II, and IIIa) [PMID:21213538], benzylisoquinoline alkaloids [PMID:41411959], and various sesquiterpenes and monoterpenes [PMID:30580601].

Mechanism of action

Methanol extracts of stems have been shown to induce apoptosis in HT-29 human colon cancer cells by increasing reactive oxygen species (ROS), decreasing mitochondrial membrane potential, inhibiting manganese superoxide dismutase, and upregulating Bax while downregulating Bcl-2 [PMID:23848946]. Certain compounds from the roots inhibit the production of nitric oxide (NO), tumor-necrosis factor-α (TNF-α), and interleukin-6 (IL-6) in LPS-stimulated RAW264.7 cells [PMID:30580601].

Clinical evidence

Evidence DInflammation

Methanol extracts showed potent inhibition of COX-2 activity (>80% inhibition) and iNOS activity (>70% inhibition) in mouse macrophage cells [PMID:12413723].

Evidence DColon Cancer (HT-29 cell line)

Methanol extract of stems inhibited cell proliferation and induced sub-G1 arrest and apoptosis [PMID:23848946].

Evidence DHerpes Simplex Virus (Type 1)

Identified as one of 10 highly effective herbs in an experimental antiviral screen using tissue culture [PMID:2161714].

Safety & adverse effects

Aristolochia debilis contains aristolochic acids (AAs), which are known to cause nephrotoxicity, hepatotoxicity, and carcinogenicity [PMID:37116390, PMID:41411959]. Due to these risks, the use of herbal medicines derived from Aristolochia plants is prohibited in some contexts [PMID:41411959].

Drug interactions

Mature fruits of A. debilis (Madouling) have been shown in vitro and in vivo (rats) to decrease the activity of cytochrome P450 isozymes CYP1A2, 3A1, and 2E1 [PMID:26004704].

Evidence summary

The available evidence consists primarily of in vitro studies, animal models, and phytochemical analyses. There are no human clinical trials provided; the evidence for therapeutic effects is low (Level D), while the evidence for toxicity (nephrotoxicity/carcinogenicity) is well-documented in pharmacological literature.

PubMed sources

1.PMID: 37116390 (2023) — Characterization of two putative norlaudanosoline methyltransferases from Aristolochia debilis. · Journal of plant physiology
2.PMID: 32089237 (2020) — Toxicity of traditional Chinese medicine herbal and mineral products. · Advances in pharmacology (San Diego, Calif.)
3.PMID: 26151007 (2015) — Anticancer activity of Aristolochia ringens Vahl. (Aristolochiaceae). · Journal of traditional and complementary medicine
4.PMID: 41411959 (2026) — Molecular characterization of two O-methyltransferases involved in benzylisoquinoline alkaloid biosynthesis in Aristolochia debilis. · Plant physiology and biochemistry : PPB
5.PMID: 37804820 (2023) — Investigation of the applicability of the zebrafish model for the evaluation of aristolochic acid-related nephrotoxicity.

Aristolochia debilis

Sources & Citations

Calculate a safe dose of Aristolochia debilis