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Addison's disease

Also known as: Hypoadrenocorticism

Quick answer

Insufficient production of adrenal hormones, most often in young to middle-aged dogs. An Addisonian crisis causes collapse and is life-threatening. Emergency if your dog collapses or is severely weak.

Definition

Insufficient production of adrenal hormones, most often in young to middle-aged dogs. An Addisonian crisis causes collapse and is life-threatening.

Symptoms

  • Lethargy and weakness
  • Vomiting and diarrhoea
  • Reduced appetite
  • Shaking or tremors
  • Collapse during stress (crisis)

When to see a vet

Emergency if your dog collapses or is severely weak. Otherwise book promptly for recurring vague illness — blood tests diagnose Addison's.

Related guides & tools

Frequently Asked Questions

What is Addison's disease?
Insufficient production of adrenal hormones, most often in young to middle-aged dogs. An Addisonian crisis causes collapse and is life-threatening.
What are the symptoms of addison's disease?
Common signs include Lethargy and weakness, Vomiting and diarrhoea, Reduced appetite, Shaking or tremors. This is not a complete list — individual pets vary. See linked guides for fuller context.
When should I see a vet about addison's disease?
Emergency if your dog collapses or is severely weak. Otherwise book promptly for recurring vague illness — blood tests diagnose Addison's.