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Toxic

Dog ate dryer sheets and fabric softener? Toxic: what to do now

Dryer sheets and fabric softeners contain cationic detergents that can cause mouth sores, drooling and vomiting in dogs.

If your dog ate or touched this, call your vet or a pet poison line now

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Dryer sheets and fabric softener and dogs: key facts

Verdict
Toxic · Call your vet or a poison line
What it can do
Drooling, mouth sores or ulcers, swollen tongue, vomiting and belly discomfort. All 8
How fast
Breathing signs can start 6 to 12 hours later
What to do now
Call your vet or a pet poison line now. All steps
Sources
Merck Veterinary Manual. Reviewed 9 October 2026.

What should I do if my dog ate dryer sheets and fabric softener?

  1. Call your vet or a pet poison line now.
  2. Keep the box and bring it with you.

Don't

  • Don't make your dog vomit or give activated charcoal unless a vet tells you to.

Symptoms to watch for

  • Drooling
  • Mouth sores or ulcers
  • Swollen tongue
  • Vomiting
  • Belly discomfort
  • Low energy
  • Fever
  • Noisy breathing

When signs appear: Breathing signs can start 6 to 12 hours later

Why

Cationic detergents are locally corrosive, much like alkalis. They can inflame and ulcerate the mouth, and breathing problems can show up hours later.

Sources

Guide reviewed 9 October 2026. Page updated 7 November 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.