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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before using herbs, especially if you are pregnant, nursing, taking medications, or have a medical condition.
Eryngium aquaticum
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Eryngium aquaticum contains active compounds, specifically saponins and flavonoids, which are believed to induce diuretic effects. The saponins likely function by irritating the renal epithelium, which increases renal blood flow and subsequent urine output. Additionally, the presence of tannins contributes anti-inflammatory properties that may soothe urinary tract irritation. While these mechanisms are chemically plausible based on constituent analysis, specific pharmacological studies confirming this pathway in humans are limited (Evidence Level: C).
Historically, Eryngium aquaticum was used by Native Americans as a treatment for rattlesnake bites, often earning the name 'rattlesnake master.' However, there is no modern clinical evidence to support its efficacy as an antivenom. While the plant possesses anti-inflammatory properties, it does not neutralize snake venom. Current medical advice dictates that a rattlesnake bite is a medical emergency requiring immediate professional treatment and antivenom therapy rather than herbal remedies (Evidence Level: Traditional).
The standard adult dosage for Eryngium aquaticum is 3 to 6 grams of the dried root, typically prepared as a decoction. To prepare, the dried root is simmered in water for 15 to 20 minutes to extract the active compounds. Due to the potential for gastrointestinal irritation and the lack of standardized clinical trials, users should adhere strictly to traditional preparation methods and avoid exceeding the recommended dosage (Evidence Level: Traditional).
No, Eryngium aquaticum is considered unsafe during pregnancy. The herb contains saponins and acts as a diuretic, which can stimulate uterine contractions and increase pelvic blood flow, potentially leading to miscarriage or premature labor. Additionally, the plant's emmenagogue properties make it contraindicated for expecting mothers. Women who are pregnant or attempting to conceive should avoid this herb entirely (Evidence Level: C).
Yes, Eryngium aquaticum may interact with prescription medications, particularly diuretics like furosemide or hydrochlorothiazide. Because the herb possesses diuretic properties, combining it with pharmaceutical diuretics can potentiate effects, leading to dehydration, hypotension, or electrolyte imbalances such as hypokalemia. Patients taking Lithium should also avoid this herb, as increased fluid excretion can alter Lithium levels, increasing the risk of toxicity (Evidence Level: C).
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 2 PubMed articles · model: gemma4:31b
No direct government monograph is available for this herb. The content below is AI-generated and has not been verified against an authoritative government source. Use the search links to check official sources before relying on this information.