Household hazards for cats

Cleaners, essential oils, antifreeze, and other products cats get into.

Antifreeze — a few licks can kill

Ethylene glycol tastes sweet. Kidney failure can start within hours. This is an emergency.

Antifreeze

Dangerous

Never — ethylene glycol can kill a cat after a few licks.

Garage

Rodenticide (rat poison)

Dangerous

Never — bait blocks and pellets are a common fatal exposure.

Garage

Tea tree oil

Dangerous

Never — concentrated melaleuca oil can cause severe neurologic signs in cats.

Oils

Liquid potpourri

Dangerous

Never — cationic detergents and oils burn the mouth and can be systemic.

Oils

Mothballs

Dangerous

Never — naphthalene or paradichlorobenzene mothballs are toxic if eaten or chewed.

Other

Pennies (zinc)

Dangerous

Never — post-1982 US pennies are mostly zinc and can destroy red blood cells.

Other

Batteries

Dangerous

Never — chewed batteries leak alkaline corrosive and can burn the esophagus.

Other

Snail and slug bait

Dangerous

Dangerous — metaldehyde baits cause severe tremors and seizures.

Garden

Bleach

Toxic

Toxic — household bleach is a corrosive irritant, not a “tiny lick is fine” product.

Cleaners

Phenol cleaners

Toxic

Toxic — cats are unusually sensitive to phenols.

Cleaners

Pine oil

Toxic

Toxic — pine-oil cleaners irritate the gut and can affect the nervous system.

Cleaners

Ammonia

Toxic

Toxic — ammonia fumes and liquid both irritate airways and mouths.

Cleaners

Laundry and dishwasher pods

Toxic

Toxic — concentrated detergent packets cause chemical burns if bitten.

Cleaners

Fertilizer

Toxic

Toxic — NPK salts upset the gut; some products add iron or insecticides.

Garden

Cocoa mulch

Toxic

Toxic — theobromine, the same methylxanthine as chocolate.

Garden

Ice melt

Toxic

Toxic — chloride salts burn paws and guts; some mixes include glycols.

Garage

Essential oils

Toxic

Toxic — concentrated oils are a poor match for feline liver chemistry.

Oils

Eucalyptus oil

Toxic

Toxic — eucalyptol can cause drooling, weakness, and breathing irritation.

Oils

Peppermint oil

Toxic

Toxic — menthol oils upset the gut and can make cats wobbly.

Oils

Citrus oils (d-limonene)

Toxic

Toxic — limonene and linalool are used in some “natural” cleaners and flea products.

Oils

Febreze and air fresheners

Caution

Caution — usually an irritant, not a classic systemic poison. Still keep sprays off fur.

Other

Glow sticks

Caution

Caution — the glowing liquid is usually dibutyl phthalate, a terrible-tasting irritant.

Other