🐾 PawSafe Check

Are Mothballs Toxic to Pets?

Yes — mothballs are toxic to cats. Yes — mothballs are toxic to dogs.

CatsToxicAre mothballs toxic to cats? →DogsToxicAre mothballs toxic to dogs? →

PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.

Toxic compound
Naphthalene or paradichlorobenzene
Toxic parts
Balls and flakes

Symptoms

Cats (toxic)

  • Vomiting
  • Mothball-smelling breath
  • Lethargy
  • Pale or brown gums
  • Tremors
  • Seizures

Dogs (toxic)

  • Vomiting
  • Mothball-smelling breath
  • Lethargy
  • Pale or brown gums
  • Tremors
  • Seizures

What to do

If your cat ate mothballs

  • Call your vet or a pet poison control line immediately — don't wait for symptoms.
  • Do not induce vomiting unless a vet tells you to.
  • Bring the plant, label or packaging with you so the vet knows exactly what your cat ate.
  • Note roughly how much was eaten and when.

If your dog ate mothballs

  • Call your vet or a pet poison control line immediately — don't wait for symptoms.
  • Do not induce vomiting unless a vet tells you to.
  • Bring the plant, label or packaging with you so the vet knows exactly what your dog ate.
  • Note roughly how much was eaten and when.

Good to know

Mothballs contain naphthalene or paradichlorobenzene, which can damage red blood cells, the liver and the nervous system.

Is your pet covered for emergency vet bills?

Compare pet insurance quotes →

Frequently asked questions

Are mothballs toxic to cats?

Yes — mothballs are toxic to cats. Common signs include vomiting, mothball-smelling breath, lethargy.

Are mothballs toxic to dogs?

Yes — mothballs are toxic to dogs. Common signs include vomiting, mothball-smelling breath, lethargy.

Which parts of mothballs are toxic?

Balls and flakes.

What makes mothballs toxic?

Naphthalene or paradichlorobenzene.

Related items

Free printable: 25 pet-safe houseplants + emergency numbers