Pet Symptom Checker

Addison's Disease in cats

Medical name: Hypoadrenocorticism


  • Loss of appetite
  • Dehydration
  • Slow heartbeat
  • Lethargy
  • Increased urination
  • Weak pulse
  • Weakness
  • Weight loss
  • Unsteady walking


Addison's Disease, or hypoadrenocorticism, is an endocrine disease in felines, characterized by an imbalance in the production of hormones by your cat's adrenal glands. Addison's Disease presents with a range of signs, from general weakness and lethargy to weight loss and unsteadiness when walking. You may also notice a weak pulse. To take your pet's pulse, with the animal sitting or lying in a relaxed position, locate the heart (on the left side of the chest near the elbow) with the palm of one hand (the other hand can restrain or reassure your cat). Count beats for 15 seconds and multiply by 4 to get beats per minute. Cats normally have fast hearts: somewhere between 120-240 in adult cats and up to 300 beats per minute in young (up to 6 weeks) kittens. If you suspect your cat may have Addison's disease, your vet can determine whether this condition is the underlying cause of these symptoms, and treat accordingly.

Zootoo does not provide veterinary medical advice, diagnosis, or treatment. Always seek the advice of a veterinarian with any questions you may have regarding your pet’s medical condition.
If you think your pet may be experiencing a medical emergency, call your veterinarian or an emergency animal care facility immediately.

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