Sarpaksi (Indian Snakeroot): Traditional Use, Evidence & Safety

TL;DR

Sarpaksi (Ophiorrhiza mungos) is a Western Ghats forest herb traditionally used for snakebite, wounds, and ulcers. It contains camptothecin, a cytotoxic compound whose derivatives became prescription cancer drugs. No human trials support any medicinal use, and one lab study found chromosomal damage at higher extract doses: do not use it as a home remedy. (55 words. Sources: Taher et al. 2020; Ghorai et al. 2026; camptothecin production review.)

What it is

Sarpaksi (also spelled sarpakshi) is Ophiorrhiza mungos L., a perennial herb of the Rubiaceae family growing in the wet, shady forests of the Western Ghats, the Western Himalayas, and the Andaman and Nicobar Islands (Taher et al., 2020). It is specifically known as "snakeroot" because of its traditional use as a treatment for snakebite (same review). Do not confuse it with sarpagandha (Rauvolfia serpentina): a different and better-known "Indian snakeroot" with its own pharmacology. The plant's defining chemistry is camptothecin (CPT), a potent anticancer molecule found in abundance in O. mungos and its variety angustifolia. CPT inhibits DNA topoisomerase-1, and its derivatives topotecan and irinotecan are used clinically to treat several cancers (Taher et al., 2020; CPT production review).

Traditional use

Traditional medicine and folklore use Ophiorrhiza mungos for stomatitis, ulcers, inflammation, wounds, snakebite, body pain, cancer, and bacterial and viral infections (Ghorai et al., 2026). The genus-level review likewise records traditional uses for inflammation, pain, cancer, infections, snakebite, stomatitis, ulcers, and wounds, noting that O. mungos is called "snakeroot" specifically for its snakebite reputation (Taher et al., 2020). These are traditional claims, not clinical proof: and for a plant containing a cytotoxic compound, traditional use is no guarantee of safety, as the safety section makes clear.

What modern research says

Human trials of the herb: none identified

No human clinical trials testing Ophiorrhiza mungos for any indication were identified. All published research is at the level of chemistry, cell assays, plant-based toxicity tests, or a single animal study.

Camptothecin research (the isolated compound, not the herb)

What is clinically established concerns isolated camptothecin and its derivatives, not the whole plant. Camptothecin was first isolated from the Chinese tree Camptotheca acuminata in 1966; its derivatives topotecan and irinotecan are prescription anticancer drugs (Taher et al., 2020). Research on O. mungos has largely treated the plant as a production platform for this compound: for example, tissue-culture studies optimizing CPT yield from its callus (CPT production study). None of this supports consuming the plant as medicine.

Snakebite: one preclinical study

A 2014 study in the Journal of Ethnopharmacology tested O. mungos root extract for neutralizing activity against the venom of Russell's viper (Daboia russelii): a preclinical finding cited in recent literature (Krishnan et al., 2014, via Ghorai et al., 2026). This is an animal/laboratory-level result only. A snakebite is a medical emergency: get to a hospital immediately. No herb replaces antivenom and emergency care.

Toxicity signals

A 2026 study tested methanol extracts of five O. mungos chemotypes and pure camptothecin in the onion root-tip assay, a standard plant-cell test for cytotoxicity and genotoxicity. The plant extracts showed minimal effects at low concentrations but caused chromosomal aberrations (stickiness, bridges, micronucleus formation) at higher concentrations; pure camptothecin had more profound effects. The authors concluded that further study in animal cells is needed to assess effects on non-cancerous cells (Ghorai et al., 2026). This is not a human-safety finding, but for a plant containing a known cytotoxic alkaloid, it argues strongly against casual or traditional medicinal use.

Dosage

There is no pharmacopoeial or trial-based dosage for sarpaksi, and none should be inferred. Because the plant contains camptothecin, a cytotoxic compound, we do not provide any preparation or dosing guidance. This plant should not be consumed as a home remedy.

Safety & contraindications

Sarpaksi is not a food herb and should not be self-administered in any form. Its key constituent, camptothecin, is a cytotoxic DNA topoisomerase-1 inhibitor: the property that made its derivatives into chemotherapy drugs also makes the raw plant inherently hazardous (Taher et al., 2020). Laboratory testing found chromosomal-damage signals at higher extract concentrations (Ghorai et al., 2026). There are no safety data for pregnancy, breastfeeding, children, or drug interactions: avoid entirely in all these groups. Anyone considering this plant for any health purpose should speak to a clinician first, and snakebite victims need emergency hospital care, not herbs.

FAQs

What is sarpaksi used for in Ayurveda?

Traditionally it is known as "snakeroot" and used in folk medicine for snakebite, wounds, ulcers, stomatitis, inflammation, and body pain (Taher et al., 2020). These are traditional uses with no human-trial evidence, and the plant's camptothecin content means traditional use does not imply safety.

Is sarpaksi the same as sarpagandha?

No. Sarpaksi is Ophiorrhiza mungos (Rubiaceae); sarpagandha is Rauvolfia serpentina (Apocynaceae). Both carry the "Indian snakeroot" name in English, but they are different plants with different chemistry: sarpaksi's signature compound is camptothecin, while sarpagandha is known for reserpine.

Can sarpaksi treat snakebite?

There is no human evidence for this. One preclinical study tested its root extract against Russell's viper venom in the laboratory (Krishnan et al., 2014, via Ghorai et al., 2026). Snakebite is a medical emergency: go to a hospital for antivenom; do not rely on any herb.

Does sarpaksi fight cancer?

The plant contains camptothecin, whose derivatives topotecan and irinotecan are prescription cancer drugs: but the drugs are purified, dosed compounds, not the plant. No human trial has tested Ophiorrhiza mungos itself against cancer, and self-medicating with a cytotoxic-alkaloid plant is dangerous (Taher et al., 2020).

Is sarpaksi safe in pregnancy?

There are no safety data at all, and the plant contains a cytotoxic compound with demonstrated chromosomal-damage signals in laboratory testing. It should be avoided entirely in pregnancy and breastfeeding (Ghorai et al., 2026).

Sources

Disclaimer

This article is for educational purposes only and is not medical advice. Herbal products can interact with medications and are not suitable for everyone. Talk to a qualified healthcare practitioner before use — especially if you are pregnant, breastfeeding, managing a medical condition, or taking prescription medicines.