Puppy Acting Lethargic. Discussion starter · #1 · jun 3, 2013. However, some common examples include:
It is always better and wiser to take him to a vet as soon as you think something is wrong. When your dog is in heat, their patterns of behavior will be much different from how they normally behave. Lethargy is a sign that something may be troubling your dog.
Cat Not Eating Lethargic. Lethargic and losing weight—a poor appetite can lead to weight loss, but so can diseases like hyperthyroidism or diabetes, even if your cat is eating well. Joined oct 11, 2006 · 81 posts.
Cats may also lose appetite and energy if they find themselves in a stressed or unusual situation. They may also appear weak, be less active than they would typically be. My cat is not well he is very lethargic and not eating and not himself looks tired and isn't drinking either and curled up looking cold.