Cat Health

Common Cat Symptoms: When to Worry & When to Wait

Apartment cats hide discomfort well. Knowing the early warning signs means you can act quickly, before small issues become expensive emergencies.

Common Conditions in Indoor Cats

These are the issues apartment cats face most often.

Very Common

The most frequent issue in indoor cats. Caused by overfeeding and limited movement. Leads to diabetes, joint problems, and heart disease over time.

Frequent

Dry-food-heavy diets and low water intake increase urinary tract and kidney problems, especially in male cats. A water fountain and wet food help.

Often Missed

Over 70% of cats show signs of dental disease by age three. Bad breath, drooling, or difficulty eating are early signs. Annual dental checks help.

Cats rarely show obvious pain. These subtle signs often indicate something needs attention. When in doubt, contact your vet.

Eating noticeably less or refusing food for more than 24 hours
Vomiting more than once or twice per week
Changes in litter box frequency or straining to urinate
Excessive hiding or sudden aggression — sometimes confused with autism-like behaviors in cats
Labored breathing or open-mouth breathing at rest
Weight loss over several weeks without dietary changes

Simple habits that protect your cat's long-term health.

Even healthy-looking cats benefit from yearly checkups. Bloodwork and a physical exam catch issues long before symptoms appear.

Indoor cats still need core vaccines. Diseases can enter through open windows, shoes, or contact with other animals during vet visits.

Weigh your cat monthly. A consistent scale reading is one of the best early indicators of health changes in either direction.

If brushing is not realistic, dental treats and water additives help. Ask your vet for options that work for your cat's temperament.