Why Spot Treating Doesn’t Cure Ringworm in Cats


Many people think spot treating is effective at treating feline ringworm. Spot treating is when you apply something only to the lesions instead of doing oral medication or shampooing/dipping the whole cat. In this video, I will explain why spot treating, even with something proven to work, has major problems.

If you want to know what the best treatment for ringworm in cats is, I cover that in this video:

Here are the sources for this video:
M20: Moriello, Karen. “Dermatophytosis.” August 2020. Cliniciansbrief.com.

M17: Moriello, Karen; et.al. “Diagnosis and treatment of dermatophytosis in dogs and cats.” May 2017. Veterinary Dermatology. https://onlinelibrary.wiley.com/doi/full/10.1111/vde.12440

M14: Moriello, Karen. “Feline Dermatophytosis.” May 2014. Journal of Feline Medicine and Surgery. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4361704/#bibr16-1098612X14530215

Crawford: Crawford, Cynthia. “Ringworm.” Shelter Animal Physical Health. University of Florida. https://ufl.pb.unizin.org/shelteranimalphysicalhealth/chapter/ringworm/
— “Ringworm Treatment” https://ufl.pb.unizin.org/shelteranimalphysicalhealth/chapter/ringworm-treatment/

DeTar, Lena. “What’s going on with Lime Sulfur? What should I do about my RW cats?” Sept. 2021. Association of Sheter Veterinarians. https://sheltermedicine.vetmed.ufl.edu/wordpress/files/2021/10/ASV-LS-Guidance.pdf

2020 Moriello Study: https://onlinelibrary.wiley.com/doi/abs/10.1111/vde.12842

1981 Clotrimazole Dog Study: https://pubmed.ncbi.nlm.nih.gov/7021507/

1993 Guinea Pig Study: https://pubmed.ncbi.nlm.nih.gov/8396203/

2008 Enilconazole Study https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=7ff77def00797a1edb731e2c7401896055a938cc

Other important Sources:

UF Maddie’s Shelter Medicine Program. “Feline Ringworm in Shelters.” https://ufl.pb.unizin.org/app/uploads/sites/51/2021/05/Feline-Ringworm-Infections-in-Shelters.2021.pdf

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