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Diabetes mellitus

Also known as: Sugar diabetes

Quick answer

A disorder of blood sugar regulation. Common in middle-aged, overweight cats (often linked to insulin resistance) and in dogs (often insulin-dependent). Book a vet appointment if drinking or urination increases for more than a few days, especially with weight change.

Definition

A disorder of blood sugar regulation. Common in middle-aged, overweight cats (often linked to insulin resistance) and in dogs (often insulin-dependent).

Symptoms

  • Increased drinking and urination
  • Weight loss despite good appetite
  • Lethargy
  • Cloudy eyes (dogs)
  • Weakness or collapse if untreated

When to see a vet

Book a vet appointment if drinking or urination increases for more than a few days, especially with weight change. Diabetic crises need emergency care.

Related guides & tools

Frequently Asked Questions

What is Diabetes mellitus?
A disorder of blood sugar regulation. Common in middle-aged, overweight cats (often linked to insulin resistance) and in dogs (often insulin-dependent).
What are the symptoms of diabetes mellitus?
Common signs include Increased drinking and urination, Weight loss despite good appetite, Lethargy, Cloudy eyes (dogs). This is not a complete list — individual pets vary. See linked guides for fuller context.
When should I see a vet about diabetes mellitus?
Book a vet appointment if drinking or urination increases for more than a few days, especially with weight change. Diabetic crises need emergency care.