Can Dogs Eat Mushrooms? Safe Types & Toxic Risks

Can Dogs Eat Mushrooms?

Yes, dogs can eat store-bought mushrooms, though they provide little nutrition. However, wild mushrooms can be toxic to both dogs and humans. Dogs can generally eat canned, cremini, portobello, and shiitake mushrooms found in grocery stores. Never allow your pet to consume wild mushrooms while exploring outdoors. If your dog eats a wild mushroom, contact your veterinarian or pet poison control immediately. Always consult your veterinarian before introducing new foods.

Can dogs eat cooked mushrooms?

Yes, dogs can eat cooked, store-bought mushrooms safe for human consumption. Ensure they aren’t prepared with harmful ingredients like garlic, onions, or excessive oil, salt, and spices.

Can dogs eat raw mushrooms?

Yes, dogs can eat raw, store-bought mushrooms that are washed and cut into bite-sized pieces. Never feed dogs raw wild mushrooms, as these can be toxic or deadly.

Can dogs eat portobello mushrooms?

Yes, dogs can eat store-bought portobello mushrooms when washed and served in moderation. Since mushrooms provide limited health benefits, feed them only as an occasional treat. Keep treats and snacks to under 10% of your dog's daily caloric intake.

Can dogs eat white mushrooms?

Yes, dogs can eat white button, cremini, and portobello mushrooms if they are store-bought and prepared appropriately. Do not feed dogs wild mushrooms, regardless of their color.

Can dogs eat button mushrooms?

Yes, dogs can safely eat white button mushrooms (also called “common mushrooms”). Cook them before feeding, avoiding toxic additives like garlic or onions. These mushrooms can provide some fiber, protein, and antioxidants.

Safe mushroom list

Here are some common varieties of store-bought mushrooms safe for dogs to eat:

• White button mushrooms
• Cremini mushrooms
• Portobello mushrooms
• Porcini mushrooms
• Shiitake mushrooms
• Reishi mushrooms
• Maitake mushrooms

Symptoms of poisonous mushroom ingestion

If your dog ate poisonous mushrooms, consult your veterinarian immediately and look out for the following symptoms:

• Diarrhea
• Vomiting
• Fever
• Excessive drool
• Seizures
• Stomach issues
• Weakness
• Uncoordinated or unnatural movements
• Jaundice
• Lack of energy
• Liver failure

It’s important never to feed your dog wild mushrooms or those you don’t recognize.

Visual signs of poisonous mushrooms include:

• White gills on the underside of the cap
• Red colored mushrooms
• Mushrooms with rings around the stem
• Mushrooms with bulging at the base of the stem

Store-Bought vs. Wild Mushrooms: What's Safe for Dogs?

Use this quick-reference table before sharing any mushroom with your dog. Store-bought varieties sold for human consumption are generally considered safe when served plain and in moderation — wild mushrooms are a different story entirely and should always be treated as a potential emergency.

Golden rule: If it didn't come from a grocery store shelf, don't let your dog eat it — no exceptions. Wild mushroom identification is notoriously difficult even for trained foragers, and the consequences of a mistake can be fatal.

Frequently Asked Questions

Can dogs eat cooked mushrooms from a restaurant or takeout meal? Not safely. Restaurant mushrooms are almost always prepared with garlic, onions, butter, oil or heavy seasoning — ingredients that can be harmful to dogs. Stick to plain, home-prepared store-bought mushrooms only, and keep portions to a small, occasional treat. https://www.aspca.org/pet-care/animal-poison-control

How much mushroom can a dog safely eat? Mushrooms should be treated as an occasional snack, not a dietary staple. Treats and extras of any kind — mushrooms included — should make up no more than 10% of your dog's total daily caloric intake. Because mushrooms offer limited nutritional value for dogs, there's no strong reason to feed them regularly. https://sites.tufts.edu/petfoodology/

What should I do if my dog eats a wild mushroom? Act immediately — don't wait for symptoms to appear. Contact your veterinarian or the ASPCA Animal Poison Control Center right away. If possible, take a photo of the mushroom or collect a sample in a paper bag (not plastic) to help with identification. Time is critical with mushroom toxicity. https://www.aspca.org/pet-care/animal-poison-control

Are mushrooms nutritious for dogs? Store-bought mushrooms contain some fiber, protein and antioxidant compounds, but dogs are omnivores with nutritional needs best met by a complete and balanced commercial diet. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals Mushrooms are not a meaningful nutritional addition and should be thought of as an occasional low-calorie treat rather than a health food. https://sites.tufts.edu/petfoodology/

How can I tell if a wild mushroom is poisonous? You generally cannot tell reliably — and neither can most people. Visual warning signs include white gills on the underside of the cap, a ring around the stem, a bulging or cup-like base, and red coloring. However, some of the most toxic species closely resemble harmless ones. The only truly safe approach is to keep your dog away from all wild mushrooms and contact poison control if ingestion occurs. https://www.aspca.org/pet-care/animal-poison-control

Can puppies eat mushrooms? Store-bought mushrooms are not known to be harmful to puppies in small amounts, but puppies have sensitive, still-developing digestive systems. Consult your veterinarian before introducing any new food to a puppy's diet, and focus first on a complete and balanced puppy formula that meets their growth-stage nutritional needs. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals

Frequently Asked Questions

Can my dog eat mushrooms from a pizza or pasta dish? It depends on the other ingredients. Store-bought mushrooms themselves are fine for dogs, but pizza and pasta dishes almost always contain garlic, onions, or heavy salt — all of which are toxic or harmful to dogs. When in doubt, skip the table scraps and offer a plain, washed mushroom slice instead. Always consult your veterinarian if you're unsure whether a specific dish is safe. https://www.aspca.org/pet-care/animal-poison-control

What should I do if my dog ate a wild mushroom? Act immediately — don't wait for symptoms to appear. Contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) right away. If you can, collect a sample or take a photo of the mushroom without touching it with bare hands, as this helps with identification. Time is critical: some toxic mushrooms, like the Amanita species, can cause delayed but life-threatening liver failure. https://www.aspca.org/pet-care/animal-poison-control

How much store-bought mushroom can a dog safely eat? Treats and snacks — including mushrooms — should make up no more than 10% of your dog's total daily caloric intake. For most dogs, that means a few small pieces of plain, cooked or raw store-bought mushroom is plenty. Mushrooms offer limited nutritional value for dogs, so they're best thought of as an occasional treat rather than a dietary staple. https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals

What are the signs that a dog has eaten a poisonous mushroom? Symptoms of toxic mushroom ingestion can include vomiting, diarrhea, excessive drooling, weakness, uncoordinated movement, seizures, fever and jaundice. In severe cases, liver failure can occur — sometimes with a delay of 24–48 hours after ingestion. If you notice any of these signs and your dog has been outdoors, treat it as an emergency and contact your veterinarian immediately. https://www.aspca.org/pet-care/animal-poison-control

Are mushroom supplements or powders safe for dogs? Mushroom-based supplements (such as reishi or maitake powders) are increasingly popular, but their safety and efficacy for dogs have not been fully established through peer-reviewed research. Never give your dog any supplement without first consulting your veterinarian, who can evaluate the product's ingredients and appropriate use for your individual pet.

How can I tell if a wild mushroom is dangerous? You generally cannot tell with certainty — and neither can most people. Even experienced foragers misidentify toxic species. As a rule, treat every wild mushroom as potentially dangerous for your dog. Visual warning signs include white gills on the underside of the cap, a red-colored cap, rings around the stem, or a bulging or cup-like base — all features associated with toxic varieties. The safest approach is to keep your dog on a leash in wooded or grassy areas and redirect him away from any fungi on the ground. https://www.aspca.org/pet-care/animal-poison-control

This article was created with assistance from AI tools and reviewed for accuracy by Petco's content team.