PupkeeperToxicEmergency
Are wild mushrooms toxic to dogs?
Treat as toxic. Some wild mushrooms, like death cap (Amanita), cause liver failure and death; unless an expert identifies it, assume danger.
If your dog ate or touched this, call your vet or a pet poison line now
United States
Poison lines in other countries: United Kingdom, Australia, Canada, New Zealand
What to do now
- Call your vet or a pet poison line now.
- Collect all the mushroom pieces in a paper towel and put them in the fridge for identification.
- Get help even if your dog seems fine; some toxins take up to 24 hours to cause signs.
Don't
- Don't make your dog vomit unless a vet tells you to.
Signs to watch for
- Vomiting
- Diarrhea
- Belly pain
- Wobbly walking or disorientation
- Tremors or seizures
- Black, tarry stool
- Increased thirst or urination
- Liver or kidney failure (can appear later)
When signs appear: 15 minutes to 24 hours, depending on the mushroom
Why
Most fatal mushroom poisonings in pets come from Amanita, Galerina and Lepiota mushrooms, which are hard to tell apart from harmless ones.
Sources
- Pet Poison Helpline: Mushrooms
- Pet Poison Helpline: Toxic Yard Items for Pets
- Royal Kennel Club: Dog Poisons Out and About
Guide reviewed 9 October 2026.
General information from the sources above, not a diagnosis. When in doubt, call your vet.