Can dogs eat mushrooms?
Can dogs eat mushrooms? Mushrooms and Paws: Snack Time or Trouble?
As responsible dog owners, we are always mindful of what foods are safe for our beloved pets. With so many everyday human foods carrying potential risks for dogs, it’s only logical to be cautious. Mushrooms, widely used in various cuisines and adored by food lovers, often lead to the question: “Can dogs eat mushrooms?” While they are a staple in many human diets, are they a safe choice for dogs? Understanding this can help you make wise decisions about what you share with your canine companion.
Can Dogs Eat Mushrooms?
Yes, dogs can eat certain mushrooms, but only under specific conditions. Plain, store-bought mushrooms that are safe for human consumption are generally fine for dogs when prepared properly and given in moderation. However, not all mushrooms are dog-friendly. Wild mushrooms, in particular, can be highly toxic and even deadly. Let’s dive deeper to ensure you’re making the best choice for your dog’s health.
Table of Contents

What Are Mushrooms?
Mushrooms are a type of fungi that come in countless varieties. They’re commonly used in human cuisine, offering a rich source of nutrients and unique flavours. The mushrooms you find in grocery stores, such as button, Portobello, and shiitake, are generally considered safe for human consumption. However, wild mushrooms can range from harmless to extremely toxic.
Understanding the differences between edible and toxic mushrooms is crucial before considering sharing mushrooms with your dog.
Benefits of Mushrooms for Dogs
When properly prepared and offered in moderation, mushrooms can provide certain benefits to your dog. While not essential to a dog’s diet, these fungi contain nutrients and compounds that may support overall health.
1. Rich in Nutrients
Mushrooms are a good source of essential nutrients, including:
- Vitamin B Complex: Supports energy metabolism and healthy skin.
- Vitamin D: Promotes bone health and immune function.
- Potassium: Helps maintain proper muscle and nerve function.
2. Antioxidant Properties
Mushrooms contain antioxidants, such as selenium and ergothioneine, which help combat oxidative stress and support a healthy immune system.
3. Supports Immune Function
Certain mushrooms, like shiitake and maitake, contain compounds that may boost immune function. These are often used in supplements for dogs to support overall vitality.
4. Low in Calories
Mushrooms are low in calories, making them a suitable treat for dogs on a calorie-restricted diet. They’re also low in fat and cholesterol.
5. May Promote Digestive Health
Mushrooms contain dietary fibre, which can aid digestion and support a healthy gut.
Are Mushrooms Bad for Dogs?
While store-bought mushrooms can offer benefits, they can also pose risks if not prepared correctly or consumed in excess. Additionally, wild mushrooms are a different story. Many wild mushrooms are toxic and can lead to severe health complications or death.
Dangers of Dogs Eating Mushrooms
1. Toxicity from Wild Mushrooms
Wild mushrooms are the greatest danger to dogs. Toxic varieties, such as Amanita phalloides (death cap) and Amanita muscaria (fly agaric), can cause symptoms including:
- Vomiting and diarrhoea
- Seizures
- Liver or kidney failure
- Death
Tip: If your dog consumes a wild mushroom, seek immediate veterinary attention, even if symptoms are not yet apparent.
2. Digestive Upset
Even safe mushrooms can cause stomach upset if your dog eats too many. Symptoms may include:
- Diarrhoea
- Vomiting
- Bloating or gas
Tip: Introduce mushrooms gradually and monitor your dog for any adverse reactions.
3. Additives and Seasonings
Mushrooms cooked for human consumption often include butter, oil, garlic, onions, or salt—all of which can be harmful to dogs. Garlic and onions, in particular, are toxic and can damage red blood cells.
Tip: Serve plain, cooked mushrooms with no added ingredients.
4. Allergic Reactions
Although rare, some dogs may be allergic to mushrooms. Signs of an allergic reaction include:
- Itching or scratching
- Swelling of the face or paws
- Difficulty breathing
Tip: If introducing mushrooms for the first time, offer a small amount and observe your dog for any unusual symptoms.

How Many Mushrooms Can Dogs Eat?
Portion control is key when feeding mushrooms to dogs. A small dog may tolerate a single slice, while larger breeds might enjoy a few more. Always start with small portions to gauge your dog’s tolerance.
Fun Facts About Dogs and Mushrooms
- Wild animals, including dogs, have been known to nibble on mushrooms in their natural habitat. However, this instinct is not foolproof, and many wild mushrooms are toxic.
- Some dog supplements include mushroom extracts for their immune-boosting properties.
Final Thoughts
So, can dogs eat mushrooms? The answer is yes—but only specific types and under the right conditions. Stick to plain, store-bought varieties that are safe for human consumption and avoid wild mushrooms entirely. By staying cautious and informed, you can ensure your furry friend’s safety and health.

FAQ: Can Dogs Eat Mushrooms?
What dog owners ask:
1. Can dogs eat mushrooms raw?
Raw mushrooms are not recommended for dogs as they can be hard to digest and may contain harmful compounds. Always consult your vet before offering raw mushrooms.
2. Can dogs eat mushrooms from the garden?
No, mushrooms from the garden may be toxic. Wild mushrooms, even those growing in your garden, can pose a significant health risk to dogs. Always err on the side of caution and keep your dog away from garden mushrooms.
3. Can dogs eat mushrooms and onions?
No, onions are toxic to dogs and should never be combined with mushrooms or any other food given to them. Onion consumption can lead to anaemia and other serious health problems.
4. Can dogs eat mushrooms that humans eat?
Yes, but only certain types of mushrooms that are safe for human consumption, such as plain, store-bought white or button mushrooms. Avoid any seasonings, sauces, or added ingredients that may harm dogs.
5. Can dogs eat mushrooms raw or cooked?
Cooked mushrooms (plain and unseasoned) are generally safer for dogs than raw ones. However, only feed them in small amounts, and always check with your vet.
6. Can dogs eat mushrooms from the grocery store?
Yes, certain grocery store mushrooms like white mushrooms, button mushrooms, and portobello mushrooms are safe for dogs when prepared plain. However, they should be fed as an occasional treat, not a dietary staple.
7. Can dogs eat mushrooms and tomatoes?
While plain tomatoes are generally safe for dogs in moderation, they must not be combined with mushrooms unless you are sure both are safe and unseasoned. Avoid giving tomatoes if they are unripe, as they can be toxic to dogs.
8. Can dogs eat mushrooms that grow in the yard?
No, mushrooms growing in the yard can be highly toxic to dogs. Some wild mushrooms are extremely dangerous, even in small quantities. Keep your dog away from mushrooms in the yard and consult a vet if ingestion occurs.
9. Are fungi poisonous to dogs?
Yes, many fungi, particularly wild mushrooms, are poisonous to dogs. Ingestion of toxic mushrooms can lead to symptoms such as vomiting, diarrhoea, seizures, or even death. Immediate veterinary attention is essential if your dog eats a mushroom of unknown origin.
Cooked Mushrooms
10. Can a dog eat cooked mushrooms?
Yes, plain, cooked mushrooms are generally safe for dogs. However, avoid any added seasonings, butter, or ingredients like garlic or onions, which are toxic to dogs.
11. Can dogs eat mushrooms cooked in butter?
No, mushrooms cooked in butter are not safe for dogs. Butter is high in fat and can cause stomach upset or lead to pancreatitis in dogs.
12. Can dogs have cooked mushrooms?
Yes, cooked mushrooms are safe for dogs as long as they are plain and free from harmful seasonings or ingredients.
13. Can dogs eat mushroom soup?
No, most mushroom soups are unsafe for dogs. They often contain onions, garlic, salt, or cream, all of which are harmful to dogs.
Specific Types of Mushrooms
14. Are white mushrooms good for dogs?
Yes, plain, store-bought white mushrooms are safe for dogs in small amounts. They provide minimal nutritional benefits and should be an occasional treat.
15. Can dogs eat button mushrooms?
Yes, plain button mushrooms are safe for dogs. Ensure they are thoroughly washed and cooked without any added seasonings.
16. Can dogs eat portobello mushrooms?
Yes, plain portobello mushrooms are safe for dogs in small amounts. As with other mushrooms, they must be cooked and free of harmful ingredients like garlic or butter.
Other Related Searches
17. Can dogs eat mushrooms UK?
Yes, dogs in the UK can eat safe, store-bought mushrooms (such as white or button mushrooms) when prepared plain and in moderation. Wild mushrooms, however, should always be avoided.
18. Can dogs eat mushrooms every day?
No, mushrooms should not be part of a dog’s daily diet. They should only be offered occasionally as a treat and in small quantities.
19. My dog ate a mushroom from the store—what should I do?
If the mushroom was a common edible type like a white or button mushroom, your dog is likely safe. Monitor them for any signs of stomach upset. However, if you are unsure about the type of mushroom or suspect contamination, consult your vet immediately.