Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Leptospermum scoparium, commonly known as manuka, is well-known for its use in treating skin infections, particularly due to the properties of manuka honey derived from its flowers. Scientific studies have demonstrated that manuka honey possesses significant antibacterial activity, attributed primarily to the presence of methylglyoxal (MGO) and other phytochemicals. In vitro studies have shown that manuka honey can inhibit the growth of a range of pathogenic bacteria, including Staphylococcus aureus (including MRSA strains) and Pseudomonas aeruginosa, both of which are common culprits in skin infections.

Clinical evidence also supports its use: manuka honey dressings are used in wound care, with several clinical trials and case studies reporting accelerated wound healing, reduced infection rates, and improved outcomes in chronic wounds and burns. The antimicrobial and anti-inflammatory effects are believed to contribute to these benefits. However, while the evidence base for manuka honey is substantial, there is less direct clinical research specifically on other preparations of Leptospermum scoparium (such as essential oil or extracts) in the treatment of skin infections.

Overall, the use of manuka honey in supporting the healing of skin infections is supported by both laboratory and clinical data, though most evidence pertains specifically to the honey rather than the whole plant or other extracts.

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