How does Ipomoea turpethum work as a purgative?

Ipomoea turpethum contains resin glycosides, including turpethin and operculinic acid, which stimulate intestinal motility and increase fluid secretion into the bowel. These compounds irritate the intestinal lining, triggering strong cathartic action. This mechanism supports its traditional Ayurvedic use for virechana (therapeutic purgation) and digestive cleansing. Evidence level: C (preliminary research and traditional use).

Does Ipomoea turpethum interact with any medications?

Due to its strong purgative effects, Ipomoea turpethum may reduce absorption of oral medications by accelerating intestinal transit. Concurrent use with diuretics, cardiac glycosides, or other laxatives may increase the risk of electrolyte imbalances and dehydration. Patients taking prescription medications should consult a healthcare provider before use. Evidence level: C (theoretical interactions based on pharmacological mechanism).

What is the recommended dosage of Ipomoea turpethum root powder?

The traditional Ayurvedic dosage of Ipomoea turpethum root powder is 3-6 grams for adults when used as a purgative. This herb is considered a strong cathartic and should only be administered under qualified Ayurvedic supervision. Self-medication is not recommended due to the risk of severe purgation and electrolyte depletion. Evidence level: C (traditional use).

Is Ipomoea turpethum safe during pregnancy?

No, Ipomoea turpethum is contraindicated during pregnancy. Its potent purgative action can stimulate uterine contractions and cause significant fluid and electrolyte loss, posing serious risks to both mother and fetus. Breastfeeding women should also avoid this herb due to insufficient safety data. Evidence level: C (traditional contraindication).

Who should not take Ipomoea turpethum?

Ipomoea turpethum is contraindicated in pregnant women, patients with inflammatory bowel disease (IBD), intestinal obstruction, or severe debility. Its strong cathartic effects can worsen these conditions and cause dangerous complications. Individuals with hemorrhoids, rectal bleeding, or electrolyte disorders should also avoid this herb. Evidence level: C (traditional safety knowledge).

Ipomoea turpethum (Operculina turpethum)

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

Ipomoea turpethum (also known as Operculina turpethum) is a perennial herb from the Convolvulaceae family used traditionally in various medicinal systems [PMID:37007000, PMID:28989252].

Background

Ipomoea turpethum (Operculina turpethum) is a perennial herb belonging to the Convolvulaceae family, found in China, South Asia, the Pacific Islands, and Australia [PMID:37007000, PMID:25496022].

Traditional uses

The herb is used in traditional medicine for treating peptic ulcers, inflammation, pain, fevers, edema, ascites, anorexia, constipation, hepatosplenomegaly, hemorrhoids, cervical lymphadenitis, fistulas, chronic gout, bronchitis, and tumors [PMID:23476683, PMID:28989252]. It is also used in Iranian traditional medicine for Alzheimer's disease symptoms [PMID:28278615] and in Ayurveda for eczema (Vicharchika) [PMID:30595628].

Active compounds

Bioactive components include dammarane-type saponins (operculinosides A-D) [PMID:21866900], resin glycosides (turpethic acids A-C and turpethosides A-B) [PMID:22717506], and various other compounds such as α- and β-turpethein, turpethinic acids (A-E), coumarins, cycloartenol, lanosta-5-ene, β-sitosterol, lupeol, scopoletin, betulin, and salicylic acid [PMID:28989252].

Mechanism of action

In oral cancer cells, the extract inhibits growth and proliferation by inhibiting NF-κB, COX-2, and cyclin D1, while inducing apoptosis via upregulation of P53 [PMID:28351666]. It has also demonstrated the ability to restore antioxidant enzyme levels in the liver to counteract toxicity [PMID:2459231amine].

Clinical evidence

Evidence BChildhood Asthma

An oral combined tablet of Glycyrrhiza glabra, Viola odorata, and Operculina turpethum as add-on therapy improved respiratory test indices and reduced the severity and frequency of cough attacks and shortness of breath [PMID:37304220].

Evidence BPrimary Hypothyroidism

Majoone Sarkhas (containing O. turpethum) used as an adjuvant to levothyroxine was evaluated for synergistic effects in managing the condition [PMID:39976613].

Evidence DEczema (Vicharchika)

Trivritta powder (O. turpethum) combined with Aragvadha Patra Lepa was assessed for efficacy in management [PMID:30595628].

Evidence DPeptic Ulcer

Stem bark extracts showed potent ulcer preventive and protective activities in experimental rat models, performing better than ranitidine [PMID:23476683].

Evidence DHepatotoxicity

Root extracts attenuated N-nitrosodimethylamine (NDMA) induced liver injury and fibrosis in rats by restoring antioxidant enzymes [PMID:19589336, PMID:24592311].

Evidence D

Safety & adverse effects

Acute oral toxicity studies in Wistar rats using root extract-loaded polymeric nanoparticles were conducted to evaluate safety [PMID:37007000]. One study noted that a flavonoid fraction (OTFF) produced mild toxicity at the organ level at a concentration of 2000 mg/kg in albino mice [PMID:34194901].

Evidence summary

The evidence consists primarily of in vitro studies, animal models (D), and a few small-scale clinical trials (B) focusing on respiratory and endocrine adjuvant therapies. Most pharmacological claims are based on preclinical data.

PubMed sources

1.PMID: 21866900 (2011) — Bioactive dammarane-type saponins from Operculina turpethum. · Journal of natural products
2.PMID: 37007000 (2023) — Evaluation of acute oral toxicity of Ipomoea turpethum extract loaded polymeric nanoparticles in Wistar rats. · Frontiers in pharmacology
3.PMID: 23476683 (2013) — Antiulcer Activity of Indigenous Plant Operculina turpethum Linn. · Evidence-based complementary and alternative medicine : eCAM
4.PMID: 28989252 (2017) — Operculina turpethum (Linn.) Silva Manso as a Medicinal Plant Species: A Review on Bioactive Components and Pharmacological Properties. · Pharmacognosy reviews
5.PMID: 41048577 (2025) — Deciphering the anthelmintic mechanisms of Operculina turpethum through integrated computational and in vitro approaches.

Ipomoea turpethum

Sources & Citations

Euphorbia fischeriana

Cassia sieberiana

Crescentia Cujete

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources

Ipomoea turpethum

Sources & Citations

Related Herbs

Euphorbia fischeriana

Cassia sieberiana

Crescentia Cujete

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources