Sudden behavior changes, such as unusual aggression, fearfulness, or restlessness
Unprovoked biting, scratching, or attacking
Excessive drooling or foaming at the mouth
Trouble swallowing
Weakness, wobbliness, or paralysis
Seizures or tremors
Disorientation, confusion, or acting strangely
Hiding or becoming unusually withdrawn
Sensitivity to light, sound, or touch
Changes in vocalization, such as unusual meowing or growling
Loss of appetite
If the cat was bitten by a wild animal or an unknown animal
If the cat is unvaccinated and has had outdoor exposure
If rabies is suspected, avoid contact and contact a veterinarian or local animal control immediately