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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog Veterinary
Satisfied Customers: 29808
Experience:  University of California at Davis graduate veterinarian with 45 years of experience
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My dog has chronic low blood sugsr no ghs only lows she is

Customer Question

My dog has chronic low blood sugsr no highs only lows she is about 13 year old lab. I have been feeding frequently she had a seizure teo nights ago. My vet seems to think diabetes but i have been testing her all day and have not had a reading over 60 on my meter the 60 was after giving her a spoon of karo syrup the last reading was 25
Submitted: 2 years ago.
Category: Dog Veterinary
Expert:  Dr. Michael Salkin replied 2 years ago.

I'm puzzled. Diabetes causes hyperglycemia (high blood sugar) not hypoglycemia (low blood sugar). A pancreatic tumor called an insulinoma should be considered in an elderly hypoglycemic Lab. Confirmation of an insulin-secreting neoplasm requires documentation of inappropriate insulin secretion during hypoglycemia. If blood glucose concentration is less than 60 mg/dL (preferably less than 50 mg/dL) and serum insulin concentration is increased (i.e., greater than 20 uU/mL) in the same blood sample, an insulin-secreting neoplasm is likely.

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