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Cats and Toxoplasmosis

Apr 06, 2009
Malmasi, A., B. Mosallanejad, et al. (2009). "Prevention of shedding and re-shedding of Toxoplasma gondii oocysts in experimentally infected cats treated with oral clindamycin: a preliminary study." Zoonoses Public Health 56(2): 102-4.

Researchers from the University of Tehran investigated the effect of oral clindamycin on shedding of Toxoplasma organisms in infected cats. Toxoplasma gondii is an important protozoal parasite that infects many mammalian species, including cats and humans. Infected cats shed millions of oocysts, which can then infect contact animals, including humans, with potentially serious consequences. While numbers of animals evaluated in this study were small (twelve infected cats, six treated, and six untreated), and clindamycin administration was given for 24 days beginning 3 days prior to and continuing through 3 weeks post-infection (this timing would not likely occur in natural infections), shedding did not occur in the treated cats. In contrast, treated cats shed for over one week. Following immunosuppression through administration of dexamethasone 45 days post-infection, the previously-treated cats again demonstrated no shedding of the organism in contrast to non-treated cats. Giving clindamycin prophylactically to cats made them oocyst-free and as long as they were receiving the medication, and they did not shed oocysts even under severe immunosuppression. This study is a model for future studies with larger groups. [MK]
>> PubMed Abstract

Related articles:
Lloyd, S. and J. Smith (2001). "Activity of toltrazuril and diclazuril against Isospora species in kittens and puppies." Vet Rec 148(16): 509-11.

Vollaire, M., S. Radecki, et al. (2005). "Seroprevalence of Toxoplasma gondii antibodies in clinically ill cats in the United States." Am J Vet Res 66(5): 874-877.
>> PubMed Abstract
clindamycin Toxoplasma gondii toxoplasmosis

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