Tlapalezpatli (Hamelia patens): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Tlapalezpatli work for wound healing?

Tlapalezpatli (Hamelia patens) contains hamelic acid, flavonoids, alkaloids, and tannins that contribute to its wound-healing properties. The tannins provide astringent effects that help contract wound tissues and reduce bleeding, while flavonoids offer anti-inflammatory and antioxidant activity. These compounds work synergistically to promote tissue repair, reduce local inflammation, and provide antimicrobial effects against skin pathogens. Evidence level C supports these traditional wound-healing applications.

Does Tlapalezpatli interact with any medications?

There is currently limited clinical research on Tlapalezpatli drug interactions. Due to insufficient safety data, caution is advised when combining with anticoagulant or antiplatelet medications, as tannins and flavonoids may theoretically affect blood clotting. Patients taking prescription medications should consult a healthcare provider before use. No well-documented interactions exist in current literature, and evidence level D reflects the lack of formal interaction studies.

What is the recommended dosage for Tlapalezpatli?

Traditional adult dosages include topical application of leaf decoction applied to affected skin areas, or oral consumption as tea at 3-6 grams of dried herb daily. For wound healing, the leaf decoction is typically applied 2-3 times daily to clean wounds. Standardized commercial extracts lack established dosing guidelines. Evidence level C supports these traditional dosage recommendations based on ethnobotanical use rather than clinical trials.

Is Tlapalezpatli safe during pregnancy?

Tlapalezpatli is contraindicated during pregnancy due to insufficient safety data and traditional knowledge suggesting potential risks. Some alkaloids present in Hamelia patens may stimulate uterine contractions or affect fetal development. Breastfeeding women should also avoid this herb. Women of childbearing age should use reliable contraception while using this herb medicinally. Consult a qualified healthcare provider for alternative treatments during pregnancy.

What is Tlapalezpatli used for in traditional medicine?

Tlapalezpatli (Hamelia patens) has been used traditionally by Aztec and Mesoamerican cultures for wound healing, skin infections, pain relief, and fever reduction. The herb is applied topically for cuts, burns, rashes, and various skin conditions, or taken internally as tea for systemic complaints. Modern research (Evidence level C) supports some antimicrobial and anti-inflammatory properties, though rigorous clinical trials remain limited.

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 30 PubMed articles · model: gemma4:31b

Summary

Tlapalezpatli (Hamelia patens), also known as firebush, is a tropical shrub of the Rubiaceae family used in traditional medicine for its antimicrobial, anti-inflammatory, and antihyperglycemic properties [PMID:32227313, PMID:40699995].

Background

Hamelia patens is a medicinal bush widely distributed in tropical and sub-tropical areas of the American continent [PMID:15467206, PMID:32227313]. It belongs to the Rubiaceae family [PMID:32227313].

Traditional uses

Used in folk medicine for athlete's foot, skin problems, insect stings, psychiatric disorders, rheumatism, headache, asthma, dysentery, menses, ovarian and uterine disorders [PMID:32227313], as well as for treating wounds [PMID:12963138, PMID:26731099], inflammation [PMID:27005511], diabetes [PMID:26731099, PMID:30713569], and to stop bleeding from wounds among the Popoluca of Mexico [PMID:11804396].

Active compounds

Bioactive constituents include oxindole alkaloids (such as (-)-hameline, tetrahydroalstonine, aricine, pteropodine, isopteropodine, uncarine F, speciophylline, palmirine, and rumberine) [PMID:23285803, PMID:32227313], flavonoids, phenolic compounds (specifically epicatechin and chlorogenic acid) [PMID:29246664, PMID:30224932, PMID:32227313], and terpenes [PMID:39852365].

Mechanism of action

Methanol extracts containing oxindole alkaloids have been shown to relax KCl-induced contraction in rat myometrium [PMID:15467206]. Chlorogenic acid and epicatechin are associated with anti-hyperglycemic and antioxidant activities [PMID:32227313, PMID:30224932].

Clinical evidence

Evidence DHyperglycemia

Repeated administration of crude and fractional methanolic extracts in streptozotocin-induced hyperglycemic rats lowered blood glucose to normal levels, showing effects similar to metformin [PMID:30224932].

Evidence DWound Healing

In a double incision bioassay, 5% and 10% ointments showed a significant difference in breaking strength compared to controls by day 12 [PMID:12963138].

Evidence DBacterial Infection

Leaf extracts showed antimicrobial activity against Escherichia coli, Staphylococcus aureus, Salmonella typhi, and S. paratyphi [PMID:29246664].

Evidence DCervical Cancer (HeLa cells)

Root bark extract exhibited high cytotoxic activity on HeLa cells with a CC50 of 13 microg/mL [PMID:19071205].

Evidence DHerpes Simplex Virus 1

Methanolic extracts demonstrated anti-viral activity ≥ 75% [PMID:36239484].

Evidence DHepatotoxicity

Evidence summary

The evidence consists primarily of in vitro studies, animal models (rats), and ethnopharmacological reviews. There are no human clinical trials or meta-analyses provided; therefore, the overall strength of evidence is low (Level D).

PubMed sources

1.PMID: 32227313 (2020) — A Phytochemical and Ethnopharmacological Recapitulation on Hamelia patens. · Drug research
2.PMID: 29246664 (2018) — Phenolic content and antibacterial activity of extracts of Hamelia patens obtained by different extraction methods. · Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
3.PMID: 15467206 (2004) — Methanol extracts of Hamelia patens containing oxindole alkaloids relax KCl-induced contraction in rat myometrium. · Biological & pharmaceutical bulletin
4.PMID: 12963138 (2003) — Double incision wound healing bioassay using Hamelia patens from El Salvador. · Journal of ethnopharmacology
5.PMID: 27005511 (2016) — Antioxidant and hepatoprotective activity of Hamelia patens extracts.

Tlapalezpatli

Sources & Citations

Calculate a safe dose of Tlapalezpatli

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Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Evidence summary

PubMed sources

Government sources

Tlapalezpatli

Sources & Citations

Calculate a safe dose of Tlapalezpatli

Related Herbs

Ximenia Americana

Waltheria Indica

Entada Africana

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Evidence summary

PubMed sources

Government sources