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What is Lethargy?
Because cats naturally sleep a large percentage of their day, especially older cats, you may not be immediately aware of lethargy indicating that something may be medically wrong with your cat. Lethargy is an indication of your cat not feeling well and could relate to a relatively minor medical condition or could be a sign of a more serious illness. Careful investigation by your veterinarian will be required to narrow down the cause.
Symptoms of lethargy in cats are abnormal sleepiness, low energy, and lack of response to surroundings. Lethargy is not a condition or disease in itself, but can be a sign that something is wrong with your cat.
Symptoms of Lethargy in Cats
Lethargy is a symptom in itself and is characterized primarily by the following:
Lack of interest or response to surroundings
Lack of energy
Sleepiness or drowsiness
Other symptoms that commonly coincide with and are associated with causes of lethargy are:
Thirst/increase in urination
Pain or discomfort
Dull hair coat/loss of hair
Behavioral changes, e.g. aggression
In addition, there may be specific symptoms present that are indicative of a specific medical disease or condition.