My dog has scabs on her leg and side, but no injury. What's wrong?

Question

Leizel has scabs from the outer hock of her left hind up into her left flank. There has been no apparent trauma to cause these; no biting/scratching either. Scabs near hock are small and close together. Two large scabs on upper left flank, a fair distance apart. Two small scabs on lower flank fairly distanced. Pictured are various fur patches from the small hock scabs and two larger patches from the largest flank scab. One pic of a section of the hock scabbing, & one pic of largest flank scab. Pet's info: Dog | Alsatian | Female | spayed | 1 year and 3 months old | 67 lbs

Jeffrey Milner · Accepted Answer

Based on what you are describing, I would recommend starting with some preliminary diagnostics of the affected area just to rule out a couple of things. A skin scraping will be able to mostly eliminate some fairly common dermatologic parasites like mites, though these typically do cause a fair amount of itchiness. The locations you are describing are not typical for a flea infestation so it is not very high on my list of possibilities. Based on the second and third picures, it looks like the hair is coming out very easily and that the skin beneath in the third picture is quote dry / seborrheic. It is possible that Leizel could be experiencing some localized allergic reaction as well. Lastly, a cause of the issues you are seeing can be attributed to certain immune-mediated disease that affect the skin. These are usually only positively diagnosed through biopsies of the affected regions.

My dog has scabs on her leg and side, but no injury. What's wrong?

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