Anemone pulsatilla (Anemone pulsatilla): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Anemone pulsatilla work medicinally?

Anemone pulsatilla contains active compounds called anemonin and ranunculin which are responsible for its medicinal effects. Ranunculin converts to protoanemonin when the plant is crushed, which exhibits antimicrobial and antispasmodic properties. Anemonin acts as a sedative and antispasmodic agent, helping to relax smooth muscle tissue. Current evidence regarding these mechanisms is limited to in vitro and animal studies (Evidence Level C), suggesting it may calm nervous excitability and respiratory spasms, though robust clinical trials in humans are lacking.

Is Anemone pulsatilla safe to take during pregnancy?

Anemone pulsatilla is considered unsafe during pregnancy and is strictly contraindicated. The fresh plant contains protoanemonin, a toxic compound that acts as a uterine stimulant and may induce miscarriage. Even in small doses, the herb poses significant risks of systemic toxicity and gastrointestinal irritation. While homeopathic dilutions are sometimes used for pregnancy-related complaints under professional homeopathic guidance, crude herbal preparations must be avoided. Women who are pregnant or breastfeeding should not use this herb without explicit direction from a qualified healthcare provider.

What is the correct dosage for Anemone pulsatilla?

Due to the high toxicity of the fresh plant, there is no standard safe dosage for self-medication with Anemone pulsatilla. In traditional herbal practice, it is administered only in very small, carefully measured doses under professional supervision. The fresh plant is toxic and can cause severe poisoning; therefore, only dried preparations or homeopathic dilutions are typically used. Dosage recommendations are based on traditional use (Evidence Level C) rather than clinical trials, and treatment should only be initiated by a qualified medical herbalist or practitioner.

Does Anemone pulsatilla interact with medications?

There is limited clinical data regarding specific drug interactions for Anemone pulsatilla. However, due to its effects on the central nervous system and potential sedative properties, it may theoretically enhance the effects of sedative medications or CNS depressants. Because the herb can irritate the gastrointestinal tract, it may also interfere with the absorption of oral medications. Given its toxic profile and lack of rigorous safety data, individuals taking prescription medications should avoid this herb or consult a physician to assess potential interactions.

What are the side effects of Anemone pulsatilla?

The fresh plant is highly toxic and can cause severe side effects, including intense gastrointestinal irritation, nausea, vomiting, and diarrhea. Systemic toxicity may manifest as dizziness, headaches, or in severe cases, convulsions and cardiac distress. Topical contact with the fresh plant can cause skin blistering. While dried preparations reduce toxicity levels, improper dosing remains dangerous. These adverse effects are well-documented in toxicology literature, and the risk significantly outweighs benefits without professional guidance (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 29 PubMed articles · model: gemma4:31b

Summary

Anemone pulsatilla (and related species like Pulsatilla chinensis) is a medicinal herb containing saponins and other bioactive compounds used in traditional medicine for anti-inflammatory and antimicrobial purposes [PMID:29999784, PMID:35606807].

Background

Anemone pulsatilla and related species such as Pulsatilla chinensis (Bunge) Regel are perennial herbs of the Ranunculaceae family [PMID:29999784, PMID:40543694]. The root of P. chinensis is known in traditional Chinese medicine as Pulsatillae radix [PMID:38313466].

Traditional uses

In China, Pulsatilla Decoction (Bai-Tou-Weng-Tang) has been used for thousands of years to treat diseases caused by bacteria and more recently for ulcerative colitis [PMID:32679180, PMID:35606807]. Homeopathic preparations are reportedly used for mastitis, sore nipples, and to modulate milk supply, though no scientifically valid clinical trials support these uses [PMID:29999784].

Active compounds

The plant contains ranunculin, protoanemonin, anemonin, flavonoids, and triterpene saponins [PMID:29999784]. Specific triterpenoid saponins in P. chinensis include anemoside B4 (pulchinenoside C), anemoside A3, 23-hydroxybetulinic acid, pulsatillic acid, pulsatilloside A, and pulsatilloside B [PMID:32679180, PMID:8768325]. Alpha-Hederin is also derived from the herb [PMID:38160624].

Mechanism of action

Anemoside B4 acts as a pyruvate carboxylase inhibitor to reprogram macrophage function [PMID:38157008], targets RAGE to attenuate ferroptosis [PMID:40822455], and inhibits the PI3K/AKT/NF-κB signaling pathway [PMID:40746264]. It also binds to UFM1 to promote MAVS UFMylation for antiviral activity [PMID:40466952] and regulates the Wnt/β-catenin signaling pathway to inhibit colitis-associated cancer [PMID:41349708]. Pulsatilla saponins may inhibit M2 macrophage polarization by targeting STAT6 [PMID:37175092].

Clinical evidence

Evidence DUlcerative Colitis

Pulsatilla Decoction and modified versions (MPD) improved colon tissue morphology and reduced inflammatory damage in mouse models [PMID:38974042, PMID:40421465, PMID:41316147].

Evidence DDepression

Pulsatilla chinensis saponins (PRS) improved depression in CUMS-induced mice by inhibiting intestinal inflammation mediated by IDO1 overexpression [PMID:37167824].

Evidence DSepsis-induced acute lung injury (SALI)

Anemoside B4 ameliorated SALI by targeting RAGE to attenuate ferroptosis in mouse models [PMID:40822455].

Evidence DOsteoarthritis

Pulchinenoside C (Anemoside B4) exerts anti-inflammatory effects and delays the progress of osteoarthritis by regulating the PI3K/AKT/NF-κB pathway [PMID:40746264].

Evidence DCancer

Pulsatillic acid showed cytotoxic activity against Lewis lung carcinoma and human large-cell lung carcinoma [PMID:8768325]; alpha-Hederin inhibits proliferation in breast, lung, colorectal, and liver cancers [PMID:38160624]; Anemoside B4 reduces tumor size in colitis-associated cancer mice [PMID:41349708].

Safety & adverse effects

The fresh plant is extremely irritating to the skin, gastrointestinal tract, and mucous membranes [PMID:29999784]. Allergic reactions have been reported [PMID:29999784].

Pregnancy & lactation

Homeopathic preparations are used for mastitis and milk supply modulation, but there is a lack of information and no scientifically valid clinical trials to support these uses; other agents may be preferred in nursing mothers [PMID:29999784].

Evidence summary

The majority of evidence is based on in vitro studies and animal models (Level D), with some review articles (Level C). There are no reported human clinical trials (Level B) or meta-analyses (Level A) in the provided data.

PubMed sources

1.PMID: 29999784 (2006) — Pulsatilla Pratensis. · The Homoeopathic physician
2.PMID: 37167824 (2023) — Pulsatilla chinensis saponins ameliorated murine depression by inhibiting intestinal inflammation mediated IDO1 overexpression and rebalancing tryptophan metabolism. · Phytomedicine : international journal of phytotherapy and phytopharmacology
3.PMID: 38974042 (2024) — Baitouweng decoction alleviates ulcerative colitis by regulating tryptophan metabolism through DOPA decarboxylase promotion. · Frontiers in pharmacology
4.PMID: 32679180 (2020) — Therapeutic potential of triterpenoid saponin anemoside B4 from Pulsatilla chinensis. · Pharmacological research
5.PMID: 35606807 (2022) — Pharmacological activities and molecular mechanisms of Pulsatilla saponins.

Anemone pulsatilla

Sources & Citations

Calculate a safe dose of Anemone pulsatilla

Piscidia piscipula

Crescentia Cujete

Heal All Spica

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Pregnancy & lactation

Evidence summary

PubMed sources

Government sources

Anemone pulsatilla

Sources & Citations

Calculate a safe dose of Anemone pulsatilla

Related Herbs

Piscidia piscipula

Crescentia Cujete

Heal All Spica

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Pregnancy & lactation

Evidence summary

PubMed sources

Government sources