Is black pigmentation on hind legs normal or could it be something else? Usually the pigmentation disappears on and off. The vet has checked it once and said that it could be yeast infection or her anal gland needs to be emptied. Can you offer some advice on what to do? Thanks!
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Hello there. Great question!
Hyperpigmentation can be caused by many different things:
Hypothyroidism (low functioning thyroid) – Up to 33% of dogs diagnosed with hypothyroidism showed signs of hyperpigmentation as one of their symptoms
Systemic Lupus Erythematosus – Some dogs diagnosed with lupus
Allergies – If your dog experiences allergies he may also develop hyperpigmented areas on his skin
Malassezia – Is a yeast infection that often has hyperpigmentation as a symptom
Demodicosis (skin mites) – Is caused by a mite and is a lesser known cause of hyperpigmentation
Pseudo-Cushing’s Syndrome – Is an endocrine disorder that is common in dogs middle age and older and can have hyperpigmentation as a result
The skin may go back to normal color if you can treat the underlying cause. That would entail some advanced testing with your vet.
What you can do is try to used a medicated shampoo like Malaseb.
http://www.allivet.com/p-299-malaseb-shampoo.aspx?gclid=CMut-Oat69QCFZOIswodc3oBAQ
This shampoo is for yeast and bacteria. Lather it on the dog, leave it sit on the coat for 10 minutes and then rinse thoroughly. Use 2-3 times a week. If you notice no difference then I think you should do some advanced testing with your vet.
I hope this helps! Best wishes to you and Bella!
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