Search foods, plants, essential oils, medications, and household products to see whether they are generally safe, cautionary, toxic, or urgent for cats.
Use this cat safety database to quickly check common items like lavender, lilies, peppermint oil, onion, garlic, tuna, aloe vera, household cleaners, human medications, and more.
Growing database
Foods, plants, oils, medications, and household products
5 safety categories
Safe, caution, toxic, emergency, and unknown
Vet-referenced guidance
Built around veterinary toxicology references and poison-control guidance
Quick check
Think your cat was exposed to something toxic?
Do not wait for symptoms if your cat may have eaten, licked, inhaled, or touched a known toxin such as lilies, essential oils, onions, garlic, human medication, rodent poison, concentrated cleaners, or pesticides.
Move your cat away from the item, prevent further exposure, and contact your veterinarian or a pet poison helpline.
ASPCA Animal Poison Control: (888) 426-4435
Browse Cat Safety by Category
Every item is organized by type so you can quickly compare foods, plants, essential oils, medications, and household products.
Cleaners, disinfectants, pest-control products, soaps, fragrances, and lawn chemicals may be risky through licking, paw contact, inhalation, or grooming after residue gets on the fur.
These items are commonly tolerated by many healthy cats when plain, prepared safely, and offered in appropriate amounts. Individual cats may still react differently.
Plain tuna may be tolerated occasionally, but it is not a balanced daily food and can contain excess salt or mercury.
CAUTIONFull guide →9
Aloe Vera
Plant • Cats • Toxic
Aloe can cause vomiting, diarrhea, lethargy, and stomach upset in cats.
TOXICFull guide →10
Milk
Food • Cats • Caution
Many adult cats are lactose intolerant, so milk can cause diarrhea or digestive upset.
CAUTIONFull guide →
What to Do If Your Cat Was Exposed to Something Unsafe
If your cat may have eaten, licked, inhaled, or touched something toxic, act quickly. Cats often hide illness, and some toxins can cause delayed symptoms.
1
Remove your cat from the source.
Move your cat away from the plant, oil, food, medication, cleaner, diffuser, pesticide, or product.
2
Prevent further grooming exposure.
If oil, cleaner, pesticide, or residue is on the fur or paws, stop your cat from licking it and contact a veterinarian for safe cleaning instructions.
3
Check the exact item.
Look for the item name, ingredients, concentration, strength, amount missing, and packaging details.
4
Estimate timing and exposure.
Note when the exposure happened, how much may have been eaten or touched, and whether your cat inhaled fumes or diffuser mist.
5
Watch for symptoms.
Common warning signs include vomiting, drooling, diarrhea, tremors, weakness, breathing trouble, loss of appetite, hiding, collapse, seizures, or unusual behavior.
6
Contact a veterinarian or poison helpline.
Do this immediately for lilies, essential oils, onions, garlic, human medications, pesticides, concentrated cleaners, unknown amounts, or any symptoms.
Do not induce vomiting, give home remedies, bathe aggressively, or apply oils unless a veterinarian or poison-control professional tells you to.
Why Cats Need a Different Safety Database
Cats are not small dogs. Their bodies handle many substances differently, which is why a product that seems harmless for humans or dogs may still be risky for cats.
Limited metabolism
Cats have limited ability to process certain compounds found in some medications, plants, and essential oils. This can make small exposures more serious than expected.
Grooming behavior
Cats groom frequently. A substance on the fur or paws can become an ingestion exposure when the cat licks it off.
Small body size
Because cats are small, a small amount of a toxic substance can represent a larger dose relative to body weight.
Hidden exposure
Diffusers, sprays, residues, treated surfaces, plants, and topical products can expose cats even when they do not directly eat the item.
Delayed symptoms
Some toxins may not cause obvious signs immediately. Waiting until severe symptoms appear can make treatment harder.
How Our Cat Safety Ratings Work
Each safety guide uses a practical rating system to help you understand risk quickly. Ratings are educational and do not replace veterinary advice.
Generally Safe
The item is commonly considered safe for many healthy cats in normal, appropriate amounts. Preparation still matters. Plain, unsalted, unseasoned, and small portions are usually safest.
Caution
Risk depends on amount, form, ingredients, cat size, age, health condition, or exposure type. Caution items may be tolerated by some cats but should not be treated as automatically safe.
Toxic
The item can harm cats and should be avoided. Known ingestion, repeated exposure, concentrated forms, skin contact, or symptoms may require veterinary guidance.
Emergency
Known or suspected exposure may require urgent help, especially if the amount is unknown, the item is highly toxic, skin or ingestion exposure occurred, or symptoms are present.
Cat Safety Depends on More Than the Item Name
The same substance can carry different risks depending on how your cat was exposed.
Ingestion
Eating, licking, or chewing an item is often the highest-risk exposure. Amount, concentration, and body weight matter.
Skin or Paw Contact
Some oils, cleaners, pesticides, and topical products can irritate skin and may be swallowed later during grooming.
Inhalation
Diffusers, sprays, fumes, smoke, and airborne chemicals can irritate the lungs. Cats with asthma, kittens, senior cats, and cats in enclosed rooms may be at higher risk.
Grooming Transfer
Residue on fur or paws can become an ingestion exposure when a cat grooms.
Concentrated Forms
Oils, powders, extracts, supplements, and medications may be far stronger than the original plant or food.
Hidden Ingredients
Foods and products may contain dangerous ingredients such as onion, garlic, xylitol, alcohol, caffeine, phenols, pesticides, or disinfectants.
Recently Added Cat Safety Guides
New substances are added regularly as we expand the cat safety database.
Check cleaners, sprays, disinfectants, soaps, pest-control products, and residues cats may contact.
Guide planned
Cat Poisoning Symptoms
Learn the signs that may indicate poisoning, including delayed symptoms and emergency warning signs.
Guide planned
Our Reference Approach
Cat safety guidance is based on veterinary toxicology references, poison-control guidance, and reputable veterinary sources. When a substance has known toxicity, we prioritize cautious wording and action-focused guidance over casual reassurance.
Common reference types include:
Veterinary toxicology resources
Animal poison-control guidance
Veterinary manuals and professional references
Pet safety organizations
Product ingredient labels when relevant
Because individual risk depends on your cat's size, age, health, amount exposed, product form, and exposure route, always contact a licensed veterinarian for case-specific advice.
Common Questions About Cat Safety
Some of the most dangerous foods for cats include onions, garlic, chocolate, alcohol, caffeine, xylitol, and some raw or spoiled foods. Human medications can also be extremely dangerous. Risk depends on amount, form, and cat size, but known exposure to these items should be taken seriously.
Lilies are among the most dangerous plants for cats and can cause life-threatening kidney injury. Other risky plants include sago palm, aloe vera, tulips, daffodils, pothos, oleander, and many plants with irritating sap or toxic bulbs. If your cat chewed an unknown plant, identify it and contact a veterinarian.
Many essential oils are not safe for cats, especially concentrated oils such as tea tree, peppermint, eucalyptus, citrus, cinnamon, and clove. Cats may be exposed by licking oil, grooming residue from fur, inhaling diffuser mist, or touching treated surfaces.
It is safest to avoid using essential oil diffusers around cats, especially in small or poorly ventilated rooms. Risk is higher if the cat cannot leave the room, has asthma, is young or senior, or if high-risk oils such as tea tree, peppermint, eucalyptus, or citrus are used.
Warning signs may include vomiting, drooling, diarrhea, tremors, weakness, breathing trouble, hiding, loss of appetite, pale gums, collapse, seizures, or unusual behavior. Some toxins cause delayed symptoms, so contact a veterinarian or poison helpline if exposure is known or suspected.
Yes. For some substances, even a small amount may be dangerous, especially for kittens, senior cats, small cats, or concentrated products. Lilies, human medications, essential oils, onions, garlic, and pesticides should be treated seriously even if the exposure seems small.
Prepare your cat's weight, age, health conditions, item name, ingredients, concentration, amount involved, time of exposure, and any symptoms. Photos of the package, product label, plant, or ingredient list can also help.
No. This database is educational and designed to help you understand possible risk quickly. It cannot diagnose your cat or replace advice from a licensed veterinarian.
Not sure if something is safe for your cat? Search the database before feeding, diffusing, applying, spraying, cleaning, or leaving it within reach.
Medical disclaimer: This page provides general educational information only and is not veterinary advice. Always consult a licensed veterinarian for advice specific to your cat. In an emergency, contact your nearest emergency veterinarian, ASPCA Animal Poison Control at (888) 426-4435, or a pet poison helpline.