Overview:

Lethargy isn't a disease in itself but it is a sign that there may be something wrong with your cat. This could be something relatively minor or a sign of something more serious.

What are the causes of lethargy in cats?

There are many possible reasons why your cat is behaving lethargically. Some of which include

This list is by no means conclusive, there are also many other possible causes of lethargy.

What are the signs of lethargy?

Lethargy describes inactivity, drowsiness, loss of interest in surroundings. It may or may not accompany other symptoms, depending on the cause. Some may include;

How is it diagnosed?

Your veterinarian will perform a complete physical examination of your cat & obtain a medical history from you, including other symptoms you may have noticed. Some routine tests your veterinarian may wish to perform include;

These tests may or may not show results which warrant your veterinarian to investigate further with more specific tests such as;

Treatment depends on the underlying cause of the lethargy.