Updated October 30, 2026. Fact-checked against veterinary sources; review by a licensed veterinarian is in progress. See our editorial policy.
A cat who hides after a move may be frightened; a cat who suddenly starts hiding for no obvious reason could be in pain or unwell. Cats are adept at masking illness, which is why the label “anxiety” should be approached carefully. Virtual veterinary advice can help organize the history, but a new unexplained behavior change often requires a physical examination.
Stress can look different in different cats
Some stressed cats withdraw and stop playing. Others pace, vocalize, avoid a particular room, overgroom, or begin eliminating outside the litter box. Changes such as a new pet, noisy construction, unfamiliar visitors, a disrupted routine or conflict with another cat can be relevant. Yet these behaviors are not proof of a behavioral disorder. Dental pain, arthritis, urinary tract disease, gastrointestinal illness and other medical problems can produce similar signs.
The litter-box clue
Never assume urinating outside the box is deliberate misbehavior. Straining, frequent trips with little urine, vocalizing or licking the genital area can signal a medical problem. A cat, particularly a male cat, that is attempting to urinate but cannot produce urine needs emergency veterinary care. A pattern of increased thirst, reduced appetite, vomiting or weight loss also warrants medical evaluation rather than a training intervention.
Build a calm environment while you assess the situation
Provide predictable meals, multiple resting spots and safe hiding places. Keep food, water and litter areas accessible, especially in a multi-cat household. Let the cat approach people voluntarily instead of pulling it from hiding or punishing fearful behavior. If two cats are having repeated confrontations, separate them safely and ask a veterinarian or qualified behavior specialist about gradual reintroduction. Do not attempt to handle a highly distressed or aggressive cat without a safety plan.
What to share during an online consult
Describe what the cat was like before the change, when the signs began, the home environment, appetite and litter habits. A video of an unusual behavior can help, but do not deliberately provoke an anxious reaction. List previous medical diagnoses and any medicines or calming products, including over-the-counter items. Online guidance may help with environmental adjustments, but a clinician may recommend examination, urine tests, pain assessment or other testing.
About calming medication
Medication may be appropriate for certain diagnosed anxiety or behavior conditions, but no single drug is right for every cat. It should not be used to hide pain or other untreated disease. Avoid human sedatives, essential oils and medications borrowed from another pet. Remote prescribing depends on veterinary judgment and state and federal rules.
Related: When to consider veterinary treatment for cat anxiety and Feline hyperesthesia and unusual skin sensitivity. Background: Cornell Feline Health Center: Cat Behavior Problems. This is general information, not individualized medical guidance.
This article is for general education and is not a substitute for care from your own veterinarian. Learn about The Pet Vet and our editorial policy.