Common Household Poisons: What Every Pet Owner Should Know

Estimated Reading Time: 3 min | Last Updated: April 2nd, 2025

Our homes are full of everyday items that can pose a serious threat to our pets. From cleaning products to certain human foods, many substances that seem harmless to us can be toxic to dogs and cats. Understanding the dangers of these common household poisons, recognising the signs of poisoning, and knowing how to respond in an emergency can make all the difference in keeping your pet safe.

Common Household Poisons That Can Harm Your Pet

Antifreeze (Ethylene Glycol)

Antifreeze is poisonous to petsAntifreeze has a sweet taste that attracts pets, but even a small amount can be deadly.

Risks: Causes severe kidney failure, often with fatal consequences.

Symptoms: Vomiting, lethargy, loss of coordination, excessive thirst, and kidney failure.

Action: Seek emergency veterinary care immediately – rapid treatment is critical.

Read more: Antifreeze Toxicity And Pets

Xylitol (Artificial Sweetener)

Artificial sweeteners such as Xylitol are poisonous to petsFound in sugar-free gum, lollies, baked goods, and some peanut butters, xylitol is highly toxic to dogs.

Risks: Causes a rapid drop in blood sugar (hypoglycaemia) and potential liver failure.

Symptoms: Weakness, vomiting, tremors, seizures, and collapse.

Action: Contact a vet immediately – do not wait for symptoms to appear.

Read more: Healthy sweeteners aren’t so healthy for your dog

Human Medications

Many human medications are toxic to petsMany over-the-counter and prescription medications can be harmful or even fatal to pets.

Common culprits: Ibuprofen, paracetamol, antidepressants, and cold/flu medications.

Risks: Organ failure, ulcers, seizures, or neurological damage.

Symptoms: Vomiting, drooling, lethargy, tremors, jaundice, or difficulty breathing.

Action: Never give pets human medicine. If accidental ingestion occurs, seek veterinary attention immediately.

Read more: Can I Give My Dog Panadol?

Rat Poison (Rodenticides)

Rat poison (rodenticide) is toxic to cats and dogsRodenticides are designed to kill rodents but are just as deadly to pets.

Risks: Many contain anticoagulants that prevent blood from clotting, leading to internal bleeding. Others affect the nervous system.

Symptoms: Weakness, difficulty breathing, pale gums, nosebleeds, and coughing up blood.

Action: Immediate veterinary care is essential – some poisons have antidotes, but early treatment is key.

Read more: Rat Bait Is Very Dangerous For Pets

Lilies

Many types of lilies are poisonous to pets, especially catsMany lilies, including peace lilies, tiger lilies, and daylilies, are highly toxic to cats.

Risks: Can cause acute kidney failure in cats.

Symptoms: Drooling, vomiting, lethargy, increased thirst, and dehydration.

Action: Immediate veterinary treatment is necessary to prevent permanent kidney damage.

Read more: Flowers And Plants That Are Toxic To Dogs And Cats: A Guide

Flea & Tick Treatments (Permethrin – Toxic to Cats)

Permethrin is commonly found in flea and tick treatments for dogs but is highly toxic to cats.Found in flea and tick treatments for dogs, permethrin is extremely toxic to cats.

Risks: Can cause severe neurological symptoms and can be fatal.

Symptoms: Tremors, drooling, twitching, seizures, and loss of coordination.

Action: Wash off any residue with mild soap and water and seek emergency vet care.

Household Cleaning Products (Benzalkonium Chloride)

Many household cleaning products - especially ones containing Benzalkonium chloride - are toxic to petsFound in disinfectants, antibacterial sprays, and toilet bowl cleaners, this chemical is dangerous to pets.

Risks: Can cause mouth ulcers, skin irritation, and respiratory distress.

Symptoms: Drooling, vomiting, mouth ulcers, and difficulty breathing.

Action: Rinse affected areas with water and consult a vet.

Bleach

Bleach can be dangerous for pets if ingested, inhaled, or if it comes into direct contact with the skin.Bleach is hazardous if ingested, inhaled, or if it comes into direct contact with the skin.

Risks: Can cause chemical burns to the mouth, throat, and digestive system.

Symptoms: Drooling, vomiting, coughing, difficulty breathing, and lethargy.

Action: Do not induce vomiting. Rinse the mouth with water and seek veterinary advice.

Signs of Poisoning in Pets

Symptoms vary depending on the toxin but can include:

  • Vomiting or excessive drooling
  • Lethargy or weakness
  • Loss of coordination or tremors
  • Swelling of the mouth or face
  • Difficulty breathing
  • Seizures or unconsciousness

What to Do If Your Pet Is Poisoned

  1. Remove your pet from the source of the toxin and prevent further exposure.
  2. Call your veterinarian immediately. Even if symptoms haven’t appeared, some toxins take time to take effect.
  3. Do not induce vomiting unless instructed by a vet – some substances can cause more harm if vomited.
  4. Bring product packaging to the vet if possible to help determine the best treatment.
  5. Follow all veterinary instructions carefully. Fast action can save your pet’s life.

Preventing Pet Poisoning

  • Store chemicals, medications, and cleaning supplies securely.
  • Keep toxic plants like lilies out of your home and garden.
  • Use pet-safe cleaning products whenever possible.
  • Dispose of toxic substances properly.

By staying informed about common household poisons and taking precautions, you can help protect your pets from accidental poisoning. If you ever suspect your pet has been exposed to a toxin, seek veterinary care immediately or contact the Animal Poisons Helpline on 1300 869 738.

For more information, read our full blog about Cat And Dog Poisoning Symptoms And Treatment.

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