Cats Losing Weight

By on 5-09-2012 in Uncategorized

Cats Losing Weight

Bobcat

This question was asked on the Cat Lovers Only site:

My cat has been losing weight the last few days. Does this happen a lot in spring?

My cat is 5 years old, a barn cat that stays INDOORS every night. I let them out in the day. Very curious.

Editor’s note: As a cat parent, a large amount of weight loss in a short period of time is always cause for concern. Are you weighing her/him, or did you simply notice that s/he’s thinner?

How much weight has s/he lost?

I’ve never seen a healthy cat lose enough weight in a matter of days so that it was visible, even when you’re working with a cat on a fitness program.

If you can see the weight loss, that worries me. If it’s a noticeable amount on the scale within a few days, that would concern me too.

Think about a 10 pound cat losing 1 pound in a month. That’s 10 percent of body weight in a month. That’s a bit too high.

Lisa Pierson says a safe rate of weight loss for a cat is 1 – 2 percent of body weight per week. But that’s assuming your cat is overweight and you want her/him to lose weight.

To answer your question, I’m not sure that it’s common for cats to lose weight in the spring. Perhaps someone else will come along and tell us their experience.

But I suppose it’s possible that increased activity in the spring, with no change in diet could cause some weight loss in an indoor/outdoor cat. Also, cats tend to shed their winter coats and may look skinnier.

There are a number of illnesses that can cause rapid weight loss, though, such as hyperthyroidism, diabetes, cancer, and parasites.

If s/he’s had a loss of appetite or gone off food, for whatever reason, s/he may be at risk for hepatic lipidosis or “fatty liver” disease. Do the whites of her/his eyes look yellow?

In any case, rapid weight loss is always something I would check with the vet about.
-Kurt

I second Kurt’s advice, all around. It’s also important to know the difference between looking thinner and being thinner. Every cat parent needs to own a baby scale. They’re meant for human babies, and work just as well for cats and small dogs. Weigh your kitty regularly, say every two weeks, and note patterns in gain or loss for discussion with your vet. This is CRITICAL to tracking changes in health. If a vet shrugs off concerns about changes, seek a different vet.

Speaking from experience, my fur-baby lost weight rapidly — within a few short weeks, 25% of his body weight. He died within a month of the vet’s diagnosis of cancer. What confused the situation was that this had previously been an “overweight” kitty (I’m always skeptical of vets’ assessments of obesity when a particular weight may be ideal for the cat’s build and breed) who had been on a prescription diet food. The loss got him to his target weight, but kept dropping. Turns out a test he’d had six months earlier indicated a problem, but the vet chose not to address it, and said kitty paid with his life. If he’d begun medication sooner, he might have been far more comfortable and had more time. From that point on, I started researching EVERYTHING vets said no matter what, and questioning every single test for every single option.

Picasso

Kitty Zimmer at Mews and Views has great tips for managing cats’ weight safely:

For cats prevention of obesity is much easier – and safer — than dieting. Here are some simple guidelines to help keep your cat fit:
1. Always feed cat-specific food according to the label on your food package. Feed only the amount recommended by the manufacturer. You may be surprised by how little food the cat is intended to eat and may be unintentionally overfeeding.
2. Feed grain-free foods with meat as the first ingredient – these are closer to the cat’s natural diet and should be higher in protein and lower in carbohydrates.
3. Exercise your cat for 15-20 minutes daily. Use interactive toys like Da Bird – or if your cat will tolerate a harness and leash — take him for a daily walk outdoors.
4. Track your cat’s weight monthly – invest in a baby scale — or simply hold the cat while you’re on your scale and subtract your weight from the total. A cat’s weight – going up or down – is usually a cause for concern. Knowing what your cat’s normal weight is will help identify illness before other signs appear and will help you monitor their diet to keep them healthy and trim.
I couldn’t have written a better list — thanks, Kitty Zimmer!
Stay tuned for more ins-purr-ational information on caring for cats!
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