Cat Not Eating Lethargic. A cat who is lethargic and not eating with eye discharge has some of the classic symptoms of cat flu. Taurine is not created organically in the feline body so it must be derived from food. A healthy cat can survive for many weeks without food. If your cat is still acting lethargic or her condition has gotten worse for example shes not eating or drinking shes hunched up as if shes in pain or shes glassy-eyed and feels hot to the touch call the vet right now.
Of more concern is a cat not eating. A cat must use stored fat for fuel when it doesnt eat and this fat must be processed. According to VCA Hospitals cats will often hide signs of their illness so sometimes the signs that a cat is sick are subtle. Increased appetite may also be a concern especially if it comes on suddenly in an older cat. Though any cat can develop kidney problems kidney disease is more common in older cats and it frequently causes a cat to stop eating. If your cat isnt feeling well it may stop eating because theres something stuck in its stomach or intestines.
Some cats struggle with vomiting and diarrhea while battling a respiratory infection.
Or your cat might not like the food youre offering. When a cat will not eat and is lethargic it can signify a serious problem according to WebMD and can be caused by illness as a side effect of a recent vaccination traveling to unfamiliar surroundings or even due to a psychological problem or being finicky. Although an owner should still keep a close eye on their lethargic cat for several weeks any side effects should pass naturally. If your cat seems to have trouble eating then it may be time to transition from dry food to wet ones. In this case a lethargic cat is lethargic because of lower blood sugar levels. A cat must use stored fat for fuel when it doesnt eat and this fat must be processed.