Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Does Dry Cat Food Cause Urinary Problems? Vet-Reviewed Precautions & Prevention Tips

By Kit Copson · Reviewed & fact-checked by Dr. Chyrle BonkVet Approved
Dr. Chyrle Bonk
Reviewed & Fact-Checked byDr. Chyrle BonkDVM (Veterinarian)
On top of healing animals and writing for veterinary publications, Dr. Chyrle Bonk owns a small cattle herd! When she’s not busy with those things, she can be found somewhere in the Idaho outdoors with her husband and two kids.View authorThe information is current and up-to-date in accordance with the latest veterinarian research. Read about our vets
Share
vet holding sick cat

You may have read conflicting information about whether or not dry cat food causes urinary problems. The truth is, urinary problems are the result of a combination of things, potentially including the diet.

In this post, we'll address how a dry diet may contribute to urinary problems in cats, as well as other factors that are often associated, and what you can do to help.

divider 3 paws

Can Dry Cat Food Contribute to Urinary Issues?

Again, urinary issues in cats are often the result of a number of different things, all coming together to create inflammation, urinary crystals or even urinary stones. Some of those risk factors include:

  • Stress: changes in a cat’s environment, such as a new pet, baby, or move
  • Obesity
  • Inactivity
  • Hydration status
  • Diet

As you’ll see, diet makes the list of risk factors for urinary issues in cats. Here’s why: dry food is, well, dry. It has a low moisture content, usually less than 10%. This means that cats need to drink more water to make up for the lack of it in their diet, something they’re not normally known to do because, in the wild, they derive water from the prey they catch, kill, and eat. Because of this, it's up to cat parents to encourage them to drink more (more on this further down).

That water is needed to dilute the minerals in the urine, as high concentrations of minerals in the urine can also contribute to urinary crystal and urinary stone formation.

Water content aside, certain ingredients and amounts of these ingredients in dry cat food can also contribute to urinary issues. This is done by influencing the pH of the urine, making it either too high or too low, which can in turn potentially contribute to irritation or crystal and urinary stone formation. The amount of minerals in the diet can also be to blame. Some diets, typically those of lower quality, have a high mineral content with the excess minerals being excreted in the urine. This can play a part in the formation of some types of crystals and stones.

Sick-cat-on-operating-table-in-veterinary-office
Image Credit: megaflopp,Shutterstock

Now, a dry diet alone isn’t often enough to cause urinary problems in cats, but when coupled with other predisposing factors, such as a cat with a hefty weight or one that’s stressed out, may lead to increased problems in the urinary department.

You can help by ensuring your cat is fed a high-quality diet with the proper amounts of minerals, protein, and other healthy ingredients to keep the urine pH and concentration as appropriate levels. Encourage them to drink plenty of water and try to decrease their stress levels. Speak to a vet if you have any questions about which diet is best for your kitty and how to keep them as stress-free as possible.

divider 3 paws
Male Cat Urinary System
You are free to use this image but we do require you to link back to Catster.com for credit

Urinary blockages are more common in male cats because their urethras are narrower than those of females. However, females are more at risk of urinary tract infections.

The dry diet itself doesn't cause urinary blockages in cats, but eating dry food, along with other contributing factors, can lead to the formation of urinary stones and crystals as we talked about already.

If bladder stones exit the bladder and get stuck in the urethra, this can result in a urinary blockage. Urethral plugs, which are made up of crystals and mucous, are another cause of urinary blockages along with cancer, urethral narrowing, and inflammation. Urinary blockages are very serious and need immediate veterinary attention.

Signs to look out for include:

  • Straining to urinate
  • Going to the litter box more often
  • Blood in the urine
  • Overgrooming the genitals
  • Lethargy
  • Vomiting
  • Hiding
  • Lack of appetite
  • Being unusually vocal, often crying out when trying to use the litter box
  • Distended bladder (the abdomen feels hard)
divider 3 paws

Feline Urinary Diet Information

Some cat foods—both wet and dry—are specially formulated for cats with urinary or kidney conditions. Generally, these are designed to encourage the right pH levels in urine and better dilution, and this contributes to a reduced risk of bladder issues. The protein and mineral levels are adapted to better suit cats with urinary health problems.

We recommend asking a vet whether they think this kind of diet would be beneficial for your cat. Wet food may help increase your cat's water intake, but a dry urinary support diet and extra encouragement to drink water may be recommended by a vet as an alternative if your cat is finicky about their food.

cat eating on elevated feeding
Image Credit: Elayne Massaini, Shutterstock
divider 3 paws

How to Get My Cat to Drink More Water?

Whether they have urinary problems or not, cats need to get enough water to stay healthy. Here are some tips for increasing your cat's water intake if they don't drink much:

Water Fountains

Cats may drink more water from a fountain because it’s cleaner. The movement of the water may also be intriguing, which may pique their curiosity and get them to drink more.

Flavored Water

You can try making your cat's water tastier by dripping in a little tuna juice or chicken broth without sodium. Just remember to do this in moderation—it's never a good idea to go overboard with these additions.

Wet Food

As we mentioned further up, wet food's higher moisture content gives cats extra hydration. If you feed an all-dry diet, you might want to consider making things more balanced and interesting by going for a combined feeding approach.

Add Water to Dry Food

If your cat just won't touch wet food, an alternative is to add a little water to their dry food portions to get their hydration levels up.

siamese kitten eating from a stainless bowl
Image Credit: Pixel-Shot, Shutterstock
divider 3 paws

Final Thoughts

To recap, some types of dry cat food may come with an extra risk attached for cats susceptible to urinary conditions. This may be due to the moisture content as well as the amounts of some ingredients, such as minerals. However, that risk may be linked to stress, obesity, and other factors as well. If you're concerned about your cat's urinary health in any way, please get in touch with a vet.

Sources

Featured Image Credit: Crepessuzette, Pixabay

The Catster Newsletter

Expert cat care, straight to your inbox

News, insights, and useful advice, delivered to you.

No spam — unsubscribe anytime.

By signing up, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click a star to rate. You can leave written feedback afterwards. (We read all feedback.)

Kit Copson
Authored by

Kit Copson

Leave a Reply

You're very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let's have a positive and constructive conversation.

Is Kibble Bad for My Cat? Vet Reviewed Facts & FAQ

Is Kibble Bad for My Cat? Vet Reviewed Facts & FAQ

Cats are family members, and they deserve the best possible care, including the most nutritious diet possible. But there's tons of information online with vary…

Christian Adams
By Christian Adams ·
Can Hard Water Cause Urinary Crystals in Cats? Vet Approved Facts & Advice

Can Hard Water Cause Urinary Crystals in Cats? Vet Approved Facts & Advice

Keeping your pet safe and in good health is an essential part of taking care of a cat. Unfortunately, there are times when your pet might become ill regardless…

Kathryn Copeland
By Kathryn Copeland ·
Wet vs. Dry Cat Food: Vet-Approved Facts & Key Differences

Wet vs. Dry Cat Food: Vet-Approved Facts & Key Differences

When it comes to choosing between dry cat food and wet cat food, the decision can get confusing on which one you should select. Is dry cat food the better opti…

Rachel Giordano
By Rachel Giordano ·
Can Cats Eat Just Wet Food? Vet-Reviewed Facts & FAQ

Can Cats Eat Just Wet Food? Vet-Reviewed Facts & FAQ

Cats are curious creatures known for their unique personalities, occasional mischievous behavior, and dietary needs. As such, there is a lot of debate about wh…

Christian Adams
By Christian Adams ·

Why Does My Cat Keep Getting UTIs? 7 Vet Reviewed Reasons

Although feline urinary tract infections (UTIs) aren’t common in cats, it can be terrifying if one strikes your feline companion. While UTIs are technically ca…

Lorre Luther
By Lorre Luther ·
Why Does My Cat Keep Getting UTIs? 7 Vet Reviewed  Reasons

Cat Urinary System: Vet-Verified Health Guide (With Diagram)

Cats' urinary systems remove waste products, ensure proper electrolyte balance, and help with vitamin D processing. The urinary system has several organs, incl…

Lorre Luther
By Lorre Luther ·
Cat Urinary System: Vet-Verified Health Guide (With Diagram)

My Cat Won’t Eat Dry Food, Should I Worry? 5 Vet-Verified Reasons

Cat owners and toddler parents can agree on at least one thing: dealing with a picky eater is not easy. With preferences changing from one day to the next, fee…

Elizabeth Gray
By Elizabeth Gray ·
My Cat Won’t Eat Dry Food, Should I Worry? 5 Vet-Verified Reasons

How Often Do Cats Pee? Vet-Verified Facts & When to Worry

Just like people, how often cats pee each day can vary. It depends mostly on how much water they consume, their age, diet, and the environmental temperature. C…

Christian Adams
By Christian Adams ·
How Often Do Cats Pee? Vet-Verified Facts & When to Worry

Cat Doesn't Drink Water But Eats Wet Food: Vet-Verified Concerns, Facts & FAQ

Water is vital for cats because it enables their bodies to function properly and promotes their overall well-being. Cats that eat wet food may not drink water…

Visnja Radosavljevic
By Visnja Radosavljevic ·
Cat Doesn't Drink Water But Eats Wet Food: Vet-Verified Concerns, Facts & FAQ

How Long Can Cats Go Without Water? Vet-Verified Science & Facts

Cats are notorious for not drinking enough water, to the point that there is an entire industry of pet fountains to entice cats to drink more. Even if you’re o…

Christian Adams
By Christian Adams ·
How Long Can Cats Go Without Water? Vet-Verified Science & Facts

What’s the Price of Cat Urinary Treatment? 2026 Costs

Urinary conditions are a major concern for cat parents. The umbrella term that includes several bladder and urethral conditions in cats is “feline lower urinar…

Kit Copson
By Kit Copson ·
What’s the Price of Cat Urinary Treatment? 2026 Costs

5 Potential Hairball Cat Food Side Effects: Vet-Reviewed Considerations & Tips

Most cats get hairballs. If you’re a cat parent, you know this is a fact you can’t get away from. Whether you have a long-haired cat or a short-haired cat, cha…

Patricia Dickson
By Patricia Dickson ·
5 Potential Hairball Cat Food Side Effects: Vet-Reviewed Considerations & Tips

Love Cats? So Do We! Join the Catster Community

Stay informed with expert cat care insights delivered straight to your inbox! Discover professional guidance on feline behavior, feeding tips, trusted product picks, and much more.

You may opt-out at any time. View our Privacy Policy for more information.

The Catster site on a phone