Updated On March 5th, 2023
Pet's info: Cat | Mixed Breed | Female | spayed | 11 lbs
Answered By Lauren Jones VMD 119
Veterinarian
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Thank you for including the picture of Marley's skin. This black color change can occur with chronic inflammation, which is my suspicion in this case. I doubt that it's a reaction to the medication, as this would more likely cause some redness and irritation. The color change itself is hyperpigmentation (an increase in pigmentation), but the causes of this are varied and can be temporary or permanent. Regardless, it looks as though this hot spot has healed nicely. It's only a matter of time for the hair to finish regrowing.
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