Question 1

How does Vitex trifolia work as an anti-inflammatory?

Accepted Answer

Vitex trifolia exerts anti-inflammatory effects primarily through its flavonoid compounds, particularly casticin and vitexin. These active constituents inhibit pro-inflammatory cytokines and enzymes such as cyclooxygenase (COX) and lipoxygenase pathways. The iridoid glycosides and essential oils also contribute to modulating inflammatory responses. Laboratory studies demonstrate suppression of inflammatory mediators, though human clinical trials remain limited. Evidence Level: B.

Question 2

Does Vitex trifolia interact with any medications?

Accepted Answer

Vitex trifolia may interact with medications metabolized by the liver, as some compounds can affect cytochrome P450 enzymes. Due to potential hormonal effects, it should not be combined with hormone therapies, oral contraceptives, or hormone replacement therapy without medical supervision. Limited interaction data exists, so patients taking prescription medications should consult a healthcare provider before use. Evidence Level: C (theoretical based on constituent properties).

Question 3

What is the recommended dosage of Vitex trifolia?

Accepted Answer

The traditional adult dosage of Vitex trifolia is 3-9 grams of dried herb daily, typically prepared as a decoction or infusion. This dosage range is based on traditional use across Pacific Island and Asian medicine systems. Standardized extracts may have different dosing requirements. Always follow product-specific recommendations or consult a qualified herbalist, as optimal dosing may vary based on the condition being addressed. Evidence Level: Traditional.

Question 4

Is Vitex trifolia safe during pregnancy and breastfeeding?

Accepted Answer

Vitex trifolia is contraindicated during pregnancy due to potential uterine-stimulating effects and hormonal activity that could compromise pregnancy. Safety during breastfeeding has not been established, and use should be avoided. Women who are pregnant, planning pregnancy, or breastfeeding should not use this herb without explicit guidance from a qualified healthcare provider. Evidence Level: D (theoretical risk based on pharmacological properties).

Question 5

What is Vitex trifolia used for in traditional medicine?

Accepted Answer

Vitex trifolia has been used traditionally across Pacific Islands and Asia for treating headaches, fever, and respiratory conditions including coughs and asthma. The herb is also employed for its anti-inflammatory and antioxidant properties. In folk medicine, leaves are commonly prepared as poultices for external application or brewed as teas for internal use. These traditional applications are supported by preliminary pharmacological research. Evidence Level: B.

Question 6

What are the side effects of Vitex trifolia?

Accepted Answer

Vitex trifolia is generally well-tolerated when used at recommended doses. Reported side effects are typically mild and may include gastrointestinal discomfort, headache, or skin reactions in sensitive individuals. No serious adverse events have been documented in traditional use. However, comprehensive safety studies are limited, and individuals should discontinue use if adverse reactions occur. Consult a healthcare provider if symptoms persist. Evidence Level: C.

Vitex Trifolia

Sources et citations

Vitex Payos

Vitex Negundo

Evening Primrose

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

Sources gouvernementales