Peer-reviewed veterinary case report
Essential oils fighting bacteria and fungi in dog ear infections
By Gómez-García, Manuel et al.·Published in Natural product research·2022·Department of Animal Health, Spain·View original on PubMed →
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Original publication title: activity of essential oils against microbial isolates from otitis externa cases in dogs.
- Species:
- dog
Plain-English summary
A group of dogs with ear infections (otitis externa) were treated with essential oils to see if they could help fight the bacteria and fungi causing the problem. The study tested different essential oils, including clove and oregano, and found that cinnamaldehyde was the most effective at killing germs. While all the oils showed some activity, they worked better against fungi than certain types of bacteria. This research suggests that essential oils could be a helpful alternative treatment for dogs suffering from ear infections.
People also search for: dog ear infection treatment · essential oils for dog ear infections · natural remedies for otitis externa in dogs
Abstract
Despite the number of studies focused on the potential use of essential oils (EOs) as an alternative to conventional treatments of canine external otitis, there is controversy about their antimicrobial activity which could be explained by differences in technical or biological aspects. This study focuses on the antimicrobial activity of three single EO compounds (thymol, cinnamaldehyde and carvacrol) and two EOs (clove and oregano) against clinical isolates recovered from canine otitis externa cases (14 bacterial isolates belonging to five different genera and sixisolates). All compounds showed activity and cinnamaldehyde exhibited the highest bactericidal and fungicidal activity. The susceptibility was lower among bacterial isolates than fungal isolates, being this difference more evident for Gram-positive bacteria. No relationship between antibiotic multi-resistant profile and susceptibility to compounds was observed. To sum up, our results provide appropriate information about appropriate concentrations of promising candidates for the topic treatment of canine otitis.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34672232/