Herbe Swazi Siphiso (Lippia javanica): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Lippia javanica work to reduce fever?

Lippia javanica contains active compounds including verbascoside, acteoside, flavonoids, and essential oils that contribute to its medicinal effects. These compounds demonstrate anti-inflammatory and antipyretic properties through modulation of inflammatory pathways. The essential oils may also provide antimicrobial activity against respiratory pathogens. Evidence level: C, based primarily on in vitro and animal studies rather than human clinical trials.

Does Lippia javanica interact with any medications?

Limited research exists on drug interactions with Lippia javanica. Due to its traditional use for fever and potential effects on inflammatory pathways, it may theoretically interact with antipyretic medications like acetaminophen or NSAIDs. The herb's effects on liver enzymes have not been well characterized. Patients taking prescription medications should consult a healthcare provider before use. Evidence level: C.

What is the recommended dosage for Siphiso herb tea?

The traditional adult dosage for Lippia javanica is 2-4 grams of dried herb prepared as a tea, taken up to three times daily. This preparation is commonly used for fever, coughs, and colds in Southern African traditional medicine. Standardized extracts are not widely available, so dosing is based on traditional preparation methods. Evidence level: C, based on traditional use.

Is Siphiso herb safe to take during pregnancy?

Lippia javanica is considered unsafe during pregnancy and should be avoided. Traditional use contraindicates its use in pregnant women, though specific teratogenic effects have not been well documented in clinical studies. The essential oils and other active compounds may stimulate uterine contractions or affect fetal development. Women who are pregnant or breastfeeding should not use this herb. Evidence level: C.

What is Swazi Siphiso herb used for in traditional medicine?

Siphiso (Lippia javanica) is widely used throughout Southern Africa, including Swaziland and Zimbabwe, for treating fever, coughs, colds, and malaria. It functions as both an antipyretic to reduce fever and an expectorant to help clear respiratory congestion. The aromatic herb is typically prepared as a tea from dried leaves. Its use for malaria is traditional and should not replace conventional antimalarial treatment. Evidence level: C.

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Lippia javanica is a woody shrub native to central, eastern, and southern Africa and the tropical Indian subcontinent, used traditionally as a herbal tea and medicine [PMID:28115974, PMID:40094315].

Contexte

Lippia javanica (also known as lemon bush or fever tea) is a multi-stemmed shrub typically found in higher elevation or mountainous regions of Africa [PMID:28115974, PMID:38112854, PMID:40094315].

Usages traditionnels

Ethnomedicinal applications include treatment of colds, cough, fever, malaria, wounds, diarrhoea, chest pains, bronchitis, and asthma [PMID:28115974]. It is also used as a digestive to lower glycaemia [PMID:39456472] and in ethnoveterinary medicine for controlling ticks in goats and cattle [PMID:34296043, PMID:20978842, PMID:41470604].

Composés actifs

Phytochemicals identified include alkaloids, amino acids, flavonoids, iridoids, triterpenes, and minerals [PMID:28115974]. Specific isolated compounds include 4-ethyl-nonacosane, (E)-2(3)-tagetenone epoxide, myrcenone, piperitenone, apigenin, cirsimaritin, 6-methoxyluteolin 4'-methyl ether, and 6-methoxyluteolin 3',4',7-trimethyl ether [PMID:18780245]. Essential oils may contain octyl acetate, octyl butanoate, hexyl butanoate, and beta-myrcene [PMID:40094315].

Mécanisme d'action

The herb demonstrates antioxidant activity by elevating levels of reduced glutathione and non-protein thiol, and increasing activities of superoxide dismutase (SOD) and catalase [PMID:37608895]. In respiratory models, it may attenuate allergic airway inflammation by inhibiting Th2 cell activation and suppressing oxidative stress [PMID:34225706].

Preuves cliniques

Preuve DAllergic airway inflammation (Asthma model)

A 5% w/v tea infusion attenuated inflammation and oxidative stress in a rat model [PMID:34225706]

Preuve DLead-induced oxidative brain damage

Herbal tea infusion showed neuroprotective effects against Pb-induced oxidative stress and inflammation in Wistar rats [PMID:34983490]

Preuve DHepatic oxidative injury

L. javanica infusion displayed hepatoprotective effects in Chang liver cells by mitigating redox imbalance [PMID:37608895]

Preuve DKlebsiella pneumoniae infection

Methanol and water extracts inhibited the growth of K. pneumoniae [PMID:25412961] and mitigated virulence factors such as biofilm formation [PMID:37868201]

Preuve BCattle Ticks

Aqueous leaf extracts (10% and 20% w/v) were effective at controlling cattle ticks, though less so than amitraz-based acaricides [PMID:20978842]

Sécurité et effets indésirables

In mice, aqueous leaf extracts administered at 12.5-37.5% v/v caused lethargy and overall mortality within 48 hours [PMID:20978842].

Synthèse des preuves

The majority of evidence is derived from in vitro studies, animal models (rats, mice, poultry), and ethnoveterinary reviews. There is a lack of human clinical trial data.

Sources PubMed

1.PMID: 28115974 (2017) — Lippia javanica (Burm.f.) Spreng.: Traditional and Commercial Uses and Phytochemical and Pharmacological Significance in the African and Indian Subcontinent. · Evidence-based complementary and alternative medicine : eCAM
2.PMID: 34983490 (2022) — Neuroprotective effects of Lippia javanica (Burm.F.) Spreng. Herbal tea infusion on Lead-induced oxidative brain damage in Wistar rats. · BMC complementary medicine and therapies
3.PMID: 37608895 (2023) — Lippia javanica (Burm. F.) Herbal Tea: Modulation of Hepatoprotective Effects in Chang Liver Cells via Mitigation of Redox Imbalance and Modulation of Perturbed Metabolic Activities. · Frontiers in pharmacology
4.PMID: 34225706 (2021) — Lippia javanica (Zumbani) herbal tea infusion attenuates allergic airway inflammation via inhibition of Th2 cell activation and suppression of oxidative stress. · BMC complementary medicine and therapies
5.PMID: 42279729

Herbe Swazi Siphiso

Sources et citations

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