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Q. 8 yr old Bishon with hx of hypoglycemia unknown etiology, diabetes, and tumor ruled out, glucose today 41-55. Cataracts developed 2 wks. Causes????

A. So she's diabetic, but the hypoglycemia is of unknown etiology??? How about insulin overdose, has that been considered? And do you mean that an insulinoma has been ruled out? Because they are typically not visible with imaging (ultrasound) and the only way to truly rule them out is with exploratory surgery.

I know you can't answer my questions back, but this sounds like a confusing case and your dog has several things going on that I'm having trouble understanding. I guess if it's been ruled out that she's getting too much insulin and you feel confident she doesn't have a tumor, I'd start looking for weird things like Addison's disease and liver disease. Cataracts almost always occur in diabetic dogs, whether their blood glucose is well-regulated or not.

If you want to talk further about your dog's case I'd be happy to consult further with you. Sounds like there's a lot going on.

Answered By
DR. CHRISTIE LONG, D.V.M., C.V.A.

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