Acetaminophen (Tylenol)
Aspirin
Antifreeze
Bleach
Deodorants (for humans)
Floor wax
Garlic
Laxatives
Mothballs
Paint
Rat Poison
Suntan Lotion
Superglue
Tee Tree oil
*NOTE: this is, by no means, a comprehensive list of ALL hazardous items for your cat.*