Question 1

How does Euphorbia lathyris work as an anticancer agent?

Accepted Answer

Euphorbia lathyris contains ingenol derivatives, specifically ingenol mebutate, which is the active compound in FDA-approved topical treatments for actinic keratosis. The mechanism of action involves the induction of rapid cell death (necrosis) and specific immune-mediated destruction of lesion cells. It activates protein kinase C (PKC) isoforms, leading to mitochondrial swelling and cell lysis. Evidence Level: A (for the isolated compound ingenol mebutate).

Question 2

Is Euphorbia lathyris safe to use during pregnancy?

Accepted Answer

No, Euphorbia lathyris is strictly unsafe during pregnancy and breastfeeding. The plant produces a highly toxic latex sap that acts as a powerful uterine stimulant and purgative. Ingestion can trigger violent uterine contractions, leading to miscarriage or premature labor. Additionally, the severe gastrointestinal irritation and chemical burns caused by the sap pose significant risks to maternal health. Evidence Level: C/D.

Question 3

What is the recommended dosage for Euphorbia lathyris?

Accepted Answer

There is no safe established dosage for the raw Euphorbia lathyris plant for self-medication due to its high toxicity. The seeds and latex are poisonous and can cause severe chemical burns and organ damage. The only standardized dosage exists in the form of ingenol mebutate pharmaceutical gel for topical skin application, which requires a prescription. Internal use requires professional medical supervision and is generally discouraged in modern herbal practice. Evidence Level: C.

Question 4

Does Euphorbia lathyris interact with medications?

Accepted Answer

Due to its severe toxicity and purgative nature, Euphorbia lathyris poses significant interaction risks if ingested. Its strong laxative effect can cause severe electrolyte imbalances, potentially altering the absorption and effectiveness of heart medications, diuretics, or corticosteroids. Because the raw plant is highly toxic, it should never be combined with other herbal supplements or pharmaceuticals without strict medical supervision. Evidence Level: C.

Question 5

What are the traditional uses of Euphorbia lathyris?

Accepted Answer

Historically, Euphorbia lathyris, also known as caper spurge, was used in European and Chinese folk medicine as a potent purgative to treat constipation and parasitic infections. Today, it is primarily recognized as the source of ingenol mebutate, a compound extracted for the topical treatment of actinic keratosis. Gardeners also plant it as a mole repellent, though its toxic sap requires careful handling. Evidence Level: C/Traditional.

Euphorbia Lathyris

Sources & Citations

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Drug interactions

Evidence summary

PubMed sources

Government sources