Why is my cat losing weight even though she is eating?

Hyperthyroidism. Your cat may have a good appetite; in fact, she may be eating more than usual but is still losing weight. Hyperthyroidism results from a benign hormone-producing tumor on the thyroid gland that elevates levels of thyroid hormone. Older cats also are particularly prone to developing this condition.Click to see full answer. Also asked, what causes a cat to get really skinny?The more common causes of feline weight loss are described below. Weight loss occurs when too few calories are being consumed. Some of the more common reasons cats will cut back on their food intake include: A painful problem in the mouth such as a growth or dental disease.One may also ask, how can you tell if your cat is losing weight? At an ideal weight, there should be a tuck at the waist that is noticeable but not extreme. Next, run your hands along your cat’s sides. The ribs should be palpable with a thin covering of fat. If the ribs feel very prominent and are visible, your cat is likely underweight. Regarding this, is it normal for old cats to lose weight? Weight loss can be an early sign of illness, so check with your vet. It is common for older cats to develop medical conditions that cause them to lose weight, such as kidney and thyroid disease. If your cat is losing weight, it is important to consult your vet as soon as possible.What should I do if my cat is losing weight? Always Discuss Cat Weight Loss With Your Veterinarian If you notice that your cat is losing weight, you need to call the vet. Make the appointment now. Your vet should have a documented weight from the last visit and can confirm the weight loss. They will take a thorough history and do a complete physical exam.