Why Is My Cat Always Hungry? (And What to Do About It)

As an Amazon Associate I earn from qualifying purchases. Learn more

If you have a cat who acts like they haven't eaten in days, five minutes after breakfast, I feel you. Era, one of my two cats, is always hungry. She knows exactly where the food is kept, exactly what the treat bag sounds like, and she has very strong opinions about dinner being served on time (or ideally, two hours early).

Sometimes a hungry cat is just a cat who loves food. But sometimes constant hunger has a real cause worth looking into. Here's how to tell the difference, and what you can do.

First: rule out health problems

If your cat's appetite has suddenly increased, or they're eating more but losing weight, see a vet. Some common medical causes include:

• Hyperthyroidism: an overactive thyroid speeds up metabolism. Very common in older cats. Often comes with weight loss, restlessness and increased thirst.
• Diabetes: cats with diabetes may eat and drink more but still lose weight.
• Intestinal parasites: worms can steal nutrients, leaving your cat hungry.
• Digestive problems: conditions that affect how food is absorbed.
• Some medications: certain drugs, like steroids, can increase appetite.

These conditions are treatable, but they need a proper diagnosis. A change in appetite is always worth mentioning to your vet.

Common non-medical reasons

If your vet gives the all-clear, the reason is usually one of these:

They've learned that asking works

Cats are smart. If meowing, pawing or staring at you has ever resulted in food, they'll keep doing it. Every time you give in, the behavior gets stronger.

Boredom

Some cats eat (or beg) because there's nothing better to do. Food becomes the most exciting part of the day.

Meal timing

One or two big meals can leave long gaps where your cat genuinely feels hungry. Cats in the wild eat many small meals throughout the day.

The food isn't very filling

Some diets are less satisfying than others. Your vet can advise whether a different food could help your cat feel fuller.

It's just their personality

Some cats really are just food-motivated. Era would like you to know this is completely normal and not a personality flaw.

What you can do

Measure their food

Use the feeding guidelines on your cat's food as a starting point, and ask your vet how much your cat should be eating based on their age, weight and activity level. A kitchen scale is more accurate than a scoop.

Don't forget treats. A common guideline is that treats should make up no more than about 10% of your cat's daily calories. Those little extras add up fast.

Split food into smaller meals

Instead of two big meals, divide the same daily amount into three or four smaller portions. Many cats beg less when food comes more often. An automatic feeder can help if you're not home during the day.

Use food puzzles

Puzzle feeders and treat balls make your cat work for their food, slowing them down and keeping them busy. Great for boredom and for cats who eat too fast. (More ideas in my guide to indoor cat enrichment.)

Don't reward begging

Easier said than done, I know. But try to feed at set times, not when your cat asks. If they learn that meowing at 5 a.m. doesn't make breakfast appear, most cats eventually give up.

Tip: an automatic feeder can help here too. Your cat starts focusing on the feeder instead of on you.

Play before meals

A short play session before mealtimes uses up energy and satisfies their hunting instinct, so they settle down after eating. (Here's how to play with your cat.)

Keep an eye on their weight

Weigh your cat regularly or ask your vet to check their body condition at each visit. A cat who's gaining weight needs a portion adjustment. A cat who's losing weight despite eating well needs a vet visit.

When to call the vet

• Sudden increase in appetite
• Eating more but losing weight
• Drinking or peeing a lot more than usual
• Vomiting or diarrhea
• Changes in energy or behavior

Final thoughts

A cat who's always hungry is often just a clever cat who's figured out how to get extra snacks. But it's always worth ruling out health issues first. Once you have, measured meals, smaller portions, food puzzles and a bit of consistency can make a big difference, even for a professional food beggar like Era.

For feeding tools that help, have a look at our feeding and water picks.