Cat Anxiety: 8 Signals You Should Not Ignore

By Dr. Amanda Foster · September 26, 2026

Understanding Cat Anxiety

Cats hide stress well. Unlike dogs, whose anxiety is often obvious, cats display subtle behavioral changes that owners frequently miss. Recognizing these signals early prevents chronic stress and related health problems.

Signal 1: Over-Grooming

Excessive licking that creates bald patches — especially on the belly, inner thighs, or front legs. This is a self-soothing behavior that can lead to skin infections.

Signal 2: Hiding More Than Usual

If your normally social cat suddenly spends all day under the bed or in closets, something is wrong. New pets, visitors, construction noise, or changes in routine can trigger withdrawal.

Signal 3: Litter Box Avoidance

Urinating outside the box (especially on your bed or clothes) is a stress signal, not spite. Cats mark territory with their scent when they feel insecure.

Signal 4: Aggression Toward People

A previously gentle cat that suddenly bites or swats may be redirecting fear-based aggression. This often happens after a frightening event like a vet visit.

Signal 5: Loss of Appetite

Stressed cats may eat less or refuse food entirely. More than 24 hours without eating risks hepatic lipidosis (fatty liver disease) — a veterinary emergency.

Signal 6: Excessive Vocalization

Yowling, crying, or persistent meowing — especially at night — can indicate anxiety, cognitive decline in seniors, or pain.

Signal 7: Dilated Pupils

Constantly wide pupils (not related to lighting) indicate a heightened fight-or-flight state. Combined with a crouched posture, this signals severe stress.

Signal 8: Pica (Eating Non-Food Items)

Chewing plastic, fabric, or wool is an anxiety-driven behavior. It can cause life-threatening intestinal blockages and requires immediate intervention.