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Cat losing weight despite eating well. Reason?

I have a cat that is losing weight. He eats fine. His brother was losing weight and I took him in for blood work and they found nothing, this one seems to be putting the weight back on.

What can be the cause for the first one to be losing?

Bonnie

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3 comments on “Cat losing weight despite eating well. Reason?

  1. Hi Bonnie,

    Here’s what VetInfo.com says might be the cause:

    “If your cat is losing weight this may be a sign of a disease. Weight loss is not a health issue unless it is caused by a disease. For this reason, make sure to visit the vet for a routine check-up and see if your cat is healthy.

    1. Cat Hyperthyroidism

    The thyroid is a gland that secretes hormones that regulate the metabolic process, helping the growth process and the normal development of a cat.

    If the thyroid gland is hyperactive, the cat has hyperthyroidism. She’ll have an increased heart rate and an unbalanced metabolic process, resulting in weight loss. Hyperthyroidism often goes hand in hand with kidney disease. Hyperthyroidism can be treated by removing the thyroid. You can also opt for drugs that will inhibit the thyroid.

    2. Cat Diabetes

    Diabetes may cause weight loss. Diabetes is caused by the improper function of the endocrine gland. Diabetes type I occurs when the pancreas does not produce enough insulin. Diabetes type II occurs the body does not react properly to the insulin.

    In type 1 diabetes, insulin insufficiency means cells don’t receive sufficient energy from carbohydrates so, in order to obtain the needed energy, they break down fat.

    Diabetes can be managed by administering insulin shots on a daily basis.

    3. Cat Cancer

    Cat cancer may be of several types: blood cancer, bone cancer or tumors located in different parts of the body. The cancerous cells will attack the body and will cause weight loss, anemia and vomiting. Cancer treatment options are more effective if it’s detected in a timely manner, so if your cat loses weight suddenly, go for a check-up.

    4. Pregnancy

    Pregnancy may also be a cause for weight loss. In the earlier stages of pregnancy, the cat experiences symptoms like lack of appetite and vomiting. The weight loss may be visible, however it is not a cause for worry. She’ll soon gain more weight. During lactation the cat may also lose some weight.

    5. Irritable Bowel Disease

    Irritable bowel diseases are caused by inflammatory cells that infiltrate the upper or lower intestinal tract. The gastrointestinal tract mucosa will be attacked by the white blood cells or plasma cells and cause irritation, resulting in chronic diarrhea and vomiting.

    IBD is caused by bacteria, food allergies or genetic predisposition. IBD can be treated after the cause of the irritation is detected. A special diet will be prescribed.

    6. Dental Problems

    Dental problems are very painful for cats. They will avoid eating to keep away from the pain. Examine your cat’s mouth to see if you can spot any infections or a bad tooth. Keep proper mouth hygiene and wash your cat’s teeth to avoid gum disease and cavities.

    7. Insufficient Food Intake

    If your cat’s diet does not contain the right nutrients or is insufficient, the cat will lose weight. Make sure your cat gets enough amounts of food that are rich in protein, fatty acids and even include some vitamin supplements, in case your cat lacks appetite.”

    You’ve eliminated some of these and, because you had one of them checked out with a blood test, chances are the cause for both of their weight loss is shared.

    There is one other cause I’ve personally observed that I didn’t see listed. In the spring and when it’s mating season, I’ve seen my own male cat lose interest in eating as much and lose weight. He was a Tom that I rescued and had fixed later in life, so he already had some habits in his life.

    Let us know how your other brother is doing, OK?

    Sincerely,
    Taylor
    Blog Administrator
    http://www.vetlocator.com

  2. Elijah on said:

    All this stuff on flea control products killing our pets is distressing!

  3. Eddie Stokley on said:

    You might check this…my best friend’s cat has hyperthyroidism and she is also taking some herbal supplements to manage her conditions. ;

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