Homeopathy 2019; 108(03): 177-182
DOI: 10.1055/s-0038-1677479
Original Research Article
The Faculty of Homeopathy

Effect of Homeopathic Medicines and a Nosode on Larvae of Cochliomyia hominivorax (Diptera: Calliphoridae)

Giuliano Pereira de Barros
1   Laboratory of Animal Parasitology, Department of Animal Science and Rural Development, Agrarian Sciences Center, Federal University of Santa Catarina, Florianópolis, Brazil
Jaqueline Seugling
1   Laboratory of Animal Parasitology, Department of Animal Science and Rural Development, Agrarian Sciences Center, Federal University of Santa Catarina, Florianópolis, Brazil
Patrizia Ana Bricarello
1   Laboratory of Animal Parasitology, Department of Animal Science and Rural Development, Agrarian Sciences Center, Federal University of Santa Catarina, Florianópolis, Brazil
› Author Affiliations
Funding This study was supported by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, Grant number: 403557/2013-5 ). G.P. Barros and J. Seugling received financial support from CNPq.
Further Information

Publication History

06 July 2018

23 November 2018

Publication Date:
05 March 2019 (online)


BackgroundCochliomyia hominivorax is the major fly causing primary myiasis in livestock animals in Brazil; its larvae develop in the host's living tissues, causing mutilations, which can even lead to death. In conventional treatments of myiasis, chemo-synthetic insecticides have been employed directly on larvae present in the wounds. Homeopathy may represent a healthy and sustainable alternative both to prevent and to treat myiasis in animals and humans. The current study evaluated how the emergence of adult insects is affected by the use of the homeopathic medicines Sulfur 12cH and Pyrogenium 12cH, and the nosode produced from C. hominivorax larvae at potencies 8cH and 12cH, on third-stage larvae of a C. hominivorax colony.

Materials and Methods The homeopathic medicines and the nosodes were produced according to the Brazilian Homeopathic Pharmacopoeia. Control groups were distilled water, alcohol, no substance, and the organophosphate insecticide trichlorfon. For each group, 10 replicates were performed. Emergence rate of adult insects was evaluated by descriptive statistics followed by analysis of variance. Homogeneity of variances was verified by F-test and group means were compared with Tukey's test.

Results Mortality rates in control groups were 2.7% for 30% (v/v) alcohol, 4.3% for distilled water, 3.2% for no substance (p > 0.05). In the trichlorfon group, the mortality rate of larvae was 90.8%. For Sulfur 12cH, the mortality of larvae was 94.6%, and for Pyrogenium 12cH it was 98.6%. The latter three means were not statistically different from each other or from the mean found for the trichlorfon group. The mortality rates of larvae were 61.3% and 66.6% for nosode C. hominivorax 8cH and 12cH, respectively (p > 0.05).

Conclusions Results suggest that homeopathy could be used therapeutically to prevent and treat animals and humans with myiasis caused by C. hominivorax.


• The homeopathic medicines Sulfur 12cH and Pyrogenium 12cH produced inhibitory effects on the development of larvae of the fly C. hominivorax.

• The effect on C. hominivorax larvae of homeopathic medicines was as intense as that of an organophosphate insecticide.

• Homeopathy could be used as a tool in the control of myiasis caused by C. hominivorax in agro-ecological production systems.

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