A cat spending unusually long in the litter box, straining with little to show for it, or producing small, hard stools is a situation worth taking seriously. Constipation is one of the more common digestive complaints in cats, and while mild cases often resolve with simple changes, it can also signal something more significant.
What Constipation Looks Like in Cats
Signs typically include straining in the litter box, frequent trips with little or no stool produced, small, dry, hard stools, and occasionally vocalizing or visible discomfort while trying to defecate. Some cats also show reduced appetite or lethargy when constipation persists.
Constipation vs. a Urinary Problem
Straining in the litter box can also signal a urinary issue, particularly in male cats, and a urinary blockage is a genuine emergency. If you can't tell whether your cat is straining to urinate or defecate — or notice no urine output at all — treat it as urgent and contact a vet right away rather than waiting.
Common Causes
Dehydration is one of the most common contributors, since inadequate water intake leads to drier, harder stool. Other causes include insufficient dietary fiber, excess swallowed hair (tying into the hairball concerns covered elsewhere), obesity, reduced activity, and underlying medical conditions such as kidney disease or arthritis making it painful to posture comfortably.
Hydration Matters Most
Encouraging water intake — through multiple water sources, a pet fountain, or wet food in the diet — is often the simplest, most effective first step for mild constipation. Cats on exclusively dry diets are more prone to inadequate hydration.
Regular Grooming Reduces Hair-Related Issues
Excess swallowed hair can contribute to digestive slowdown in some cats. Consistent brushing reduces how much loose fur a cat ingests during self-grooming. Our Deshedding Grooming Glove makes regular brushing easy to keep up with, which supports better digestive comfort over time.
Activity Supports Healthy Digestion
Movement stimulates gut motility, and sedentary indoor cats are more prone to sluggish digestion. Regular interactive play encourages the kind of activity that supports healthy digestive function. Our Feather Teaser Wand and Automatic Rolling Cat Ball help keep cats moving throughout the day.
Weight and Age Play a Role
Overweight and senior cats are both at higher risk for constipation, either from reduced activity or joint discomfort that makes assuming a comfortable posture difficult. Addressing weight and joint comfort can indirectly support better bowel function in these groups.
Don't Give Human Remedies
Never give a cat human laxatives, stool softeners, or over-the-counter remedies without explicit veterinary guidance — many are dangerous or toxic to cats. Any treatment beyond simple hydration and dietary adjustment should come from your vet.
When to Call the Vet
Constipation lasting more than a day or two, repeated episodes, vomiting alongside straining, lethargy, loss of appetite, or any sign of pain warrants a vet visit. Chronic or recurring constipation can point to an underlying condition needing specific treatment, and severe untreated constipation can progress to a more serious condition called obstipation.
The Takeaway
Mild constipation in cats often responds well to increased hydration, grooming, and activity, but persistent or repeated cases deserve veterinary attention rather than home guesswork. And any straining with no urine output at all should be treated as an emergency.
Shop grooming and enrichment essentials that support your cat's digestive wellbeing in our full store.
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