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What Causes Bladder Stones in Cats?

New York, United States - April 14, 2026 / Hudson Animal Hospital /

Changes in a cat's bathroom habits can be an early warning sign of a serious condition. From a cat limping due to general discomfort to straining to urinate with little result, these symptoms may point to bladder stones.

In this press release, Hudson Animal Hospital answers "What causes bladder stones in cats?" and explains what New York pet owners should know about recognizing, treating, and preventing this condition.

Upper West Side, New York's Professional Veterinarians

What Causes Bladder Stones in Cats?

Bladder stones are clumps of hardened minerals that accumulate inside the bladder. Several factors can contribute to their formation, including:

  • Dehydration

  • Dietary choices

  • Mineral imbalance

  • Urine pH imbalances

  • Urinary tract infections

  • Bladder inflammation

  • Certain medications or supplements

  • Breed predisposition

Veterinarian in Upper West Side of New York typically evaluates the animal's diet, lifestyle, and medications to pinpoint the cause. Urine testing helps determine acidity levels and the specific stone type present. The two most common types are calcium oxalate stones and struvite stones.

Calcium oxalate stones develop in older male cats with highly acidic urine. Struvite crystals form in highly alkaline urine and are linked to urinary tract problems such as bacterial infections, which are most often found in younger female cats.

Recognizing the Early Signs of Feline Bladder Stones

Cat owners in New York should watch for these signs:

  • Blood in the urine

  • Difficult or painful urination

  • Frequent trips to the litter box with little to no urine produced

  • Lethargy or general weakness

Left untreated, bladder stones can lead to a urinary obstruction, causing intense abdominal pain, vomiting, and an inability to urinate. Obstructions are life-threatening and require immediate veterinary care.

How Vets in the Upper West Side Treat Bladder Stones

Once the stone type is identified, a veterinarian can recommend the right course of action. Calcium oxalate stones typically require a cystotomy, a surgical procedure to open the bladder and remove the stones, with most cats needing two to three weeks to recover.

For struvite and other stone types, Hudson Animal Hospital notes that dietary changes or medications may dissolve the stones and prevent new ones from forming.

Preventing Bladder Stones in Cats: Tips for New York Pet Owners

For those wondering "What causes bladder stones in cats?" understanding the risk factors is a helpful step. Here are key ways to reduce a cat's risk of mineral buildup and struvite crystals:

  • Incorporate wet food: Wet food helps prevent dehydration and mineral imbalances that can trigger stone formation.

  • Provide fresh water: A clean, refilled bowl encourages adequate daily fluid intake.

  • Keep the litter box clean: A tidy box encourages cats to urinate regularly, supporting healthy urinary habits.

  • Consult a vet before adding supplements: Some supplements may affect urinary health, so veterinary guidance is essential.

About Hudson Animal Hospital

Knowing what causes bladder stones in cats is the first step toward protecting a feline's long-term health. Hudson Animal Hospital provides comprehensive veterinary care throughout the Upper West Side of New York, including diagnostics and treatments for feline urinary conditions.

Their team brings over 55 years of combined experience and is committed to providing compassionate, personalized care. Cat owners in the Upper West Side of New York are encouraged to reach out to Hudson Animal Hospital at (212) 706-4088.

Contact Information:

Hudson Animal Hospital

238 W 61st St
New York, NY 10023
United States

Kyoko Yoshida
(212) 706-4088
https://www.hudsonanimalhospitalnyc.com/

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Original Source: https://www.hudsonanimalhospitalnyc.com/services/cats/blog/causes-of-bladder-stones-in-cats/