Mushrooms Poisonous to Dogs: Safety Guide

mushrooms that are poisonous to dogs

Mushrooms can be hard to identify and their danger varies a lot. We must know the toxic types harmful to dogs. These include liver, nerve, stomach, and kidney damaging mushrooms. Learning to spot and stop risky mushroom encounters is key for your dog’s safety.

Key Takeaways:

  • There are different categories of mushrooms that can be toxic to dogs: hepatotoxic, neurotoxic, gastrointestinal, and nephrotoxic mushrooms.
  • It is important to identify and prevent toxic encounters with mushrooms to ensure the safety of your canine companion.
  • Mushrooms toxic to dogs include species such as the death cap mushroom, psilocybin mushrooms, muscarinic mushrooms, and Cortinarius spp.
  • Prompt veterinary treatment is crucial if mushroom ingestion is suspected, as symptoms can vary depending on the species of mushroom ingested.
  • While some mushrooms are toxic to dogs, there are also safe and beneficial varieties, such as store-bought mushrooms and medicinal mushrooms with immune-modulating properties.

The Hepatotoxic Mushrooms

Hepatotoxic mushrooms, like the death cap or death angel mushroom (Amanita phalloides), are very bad for dogs. They have amanitins, which can hurt dogs’ livers badly. If a dog eats them, it might seem fine for 6-12 hours.

But after that, they can get very sick, and their liver may fail. This can happen fast, in just one or two days. These mushrooms grow in many places in North America. You can find them in the Pacific Northwest, some parts of California, and the northeast.

“Mushrooms with amanitins can cause liver damage in dogs that can’t be fixed. It’s important for pet owners to know these mushrooms. They should keep their pets away from death cap and death angel mushroom to avoid liver problems.” – Dr. Sarah Collins, Veterinarian

The Neurotoxic Mushrooms

Neurotoxic mushrooms are very dangerous for dogs. They can cause serious nerve problems. We will look at three types: psilocybin mushrooms, hydrazine mushrooms, and isoxazole mushrooms.

Psilocybin (“Magic”) Mushrooms

“Magic” mushrooms have psilocybin, a substance that affects the brain. Dogs sometimes eat them by mistake. Symptoms can be weakness, shaky movements, and seizures. It’s key to keep these mushrooms away from dogs.

Hydrazine Mushrooms

Hydrazine mushrooms are also harmful to dogs. They may cause vomiting and diarrhea. Dogs can also become weak, lose coordination, and have seizures. Fast vet help is needed to help affected dogs.

Isoxazole Mushrooms

Isoxazole mushrooms are the third type. They can cause vomiting, diarrhea, and brain issues. Symptoms include loss of coordination, confusion, and even seizures. Getting help from a vet quickly is critical.

To show the differences in neurotoxic mushrooms, here’s a table:

Mushroom Group Main Features Effects on Dogs
Psilocybin Mushrooms Contain psilocybin Quick start of weakness, shaky movements, and seizures
Hydrazine Mushrooms Contain hydrazines Stomach issues, weakness, loss of coordination, and seizures
Isoxazole Mushrooms Contain isoxazoles Stomach problems, confusion, and seizures

Neurotoxic Mushrooms

Next, we’ll learn about another bad mushroom for dogs: the gastrointestinal mushrooms.

The Gastrointestinal Mushrooms

Mushrooms that are toxic to dogs are important to know about. Gastrointestinal mushrooms can make dogs sick in many ways. Symptoms can show up fast, sometimes in as little as 15 minutes.

There’s a kind called muscarinic mushrooms that cause a lot of throwing up and diarrhea. Dogs and their owners can find these symptoms very upsetting. These mushrooms can also make a dog’s heart beat too slowly. They can cause lots of drool, teariness, peeing, pooping, tummy upset, and vomiting.

Here’s a table showing how gastrointestinal mushrooms can hurt dogs:

Mushroom Category Common Symptoms
Gastrointestinal Mushrooms Vomiting, diarrhea, bradycardia, bronchial secretions, SLUDDE signs
Hepatotoxic Mushrooms Acute liver failure, vomiting, diarrhea, jaundice, abdominal pain
Neurotoxic Mushrooms Weakness, ataxia, tremors, seizures, hallucinations
Nephrotoxic Mushrooms Polydipsia, polyuria, vomiting, dehydration

If you think your dog ate one of these mushrooms, act fast. Getting help from a vet quickly can make a big difference. It can help your dog get better more quickly.

Keep an eye out for more info. We will talk about other dangerous mushrooms for dogs. You will learn how to spot them, what symptoms they cause, and how to treat them.

The Nephrotoxic Mushrooms

Nephrotoxic mushrooms are bad for dogs. The most important ones come from the Cortinarius family. It’s rare, but these mushrooms can hurt your dog’s kidneys.

Dogs eating these mushrooms show signs after 12 hours. Sometimes, it takes 3-8 days or more. They might drink and pee a lot, vomit, feel sick, and get dehydrated. These signs mean your dog needs help fast.

Even humans can get sick. But we don’t know much about dogs and cats getting poisoned by these mushrooms. This tells us to be careful. If you think your dog ate one, see the vet right away.

Preventing Nephrotoxic Mushroom Poisoning in Dogs

To keep your dog safe, do a few things:

  1. Check your yard for mushrooms and remove them.
  2. Keep your dog away from woods with lots of mushrooms.
  3. Watch your dog on walks to stop them from eating strange mushrooms.
  4. Teach your dog to leave or drop mushrooms when you say so.
  5. Know the mushrooms in your area.

These steps help keep your dog away from toxic mushrooms. They make your dog safer.

Mushroom Species Symptoms Onset of Symptoms
Cortinarius spp Polydipsia, polyuria, vomiting, nausea, dehydration Within 12 hours (delayed onset in some cases)

nephrotoxic mushrooms image

Image: A visual representation showing various types of nephrotoxic mushrooms, including Cortinarius spp.

Treatment for Mushroom Poisoning in Dogs

Dealing with mushroom poisoning in dogs is serious. You need to act fast and get help. Taking your pet to the vet should be your first step. They will keep your pet stable and help them feel better. If you have the mushroom, a local college or the North American Mycological Association can help identify it. They have a website with info and people who can help.

Prompt Veterinary Care and Decontamination

If your dog eats mushrooms, don’t wait. Take them to a vet quickly. They might throw up, have diarrhea, feel weak, or show other signs of being sick. Even if they seem okay, it’s better to be safe and see a vet.

Symptomatic Care and Support

At the vet, they will make sure your dog is stable. They might give activated charcoal to help with the poison. They also might give fluids to help with dehydration and support their body. Depending on the situation, they might give medicines for nausea or seizures.

Consulting a Mycologist

Finding out what mushroom your dog ate can be hard. But, if you can get the mushroom, a mycologist can help. They know a lot about fungi. You can find them at colleges or through NAMA. They have a great website with lots of info and volunteers who can help.

“Talking to a mycologist is wise if you’re trying to figure out the mushroom your dog ate. They know a lot and can help find out what it is. This can change how your dog is treated,” says Dr. Sarah Johnson.

Treatment Steps Description
Seek Veterinary Care Take your dog to a veterinarian immediately for prompt treatment and decontamination.
Stabilize the Pet The veterinarian will stabilize your pet and provide symptomatic care.
Administer Activated Charcoal Absorbs any remaining toxins in the dog’s system.
Provide Supportive Therapies Fluid therapy, anti-nausea medications, and seizure control may be provided based on the individual case.
Consult with a Mycologist Reach out to a mycologist for assistance in identifying the specific type of mushroom.

Wild Mushrooms and Dogs: Potential Dangers

Wild mushrooms can be dangerous for dogs. Some people think dogs can avoid toxic mushrooms by smell. This is not always true.

Wild mushroom poisoning can kill. It’s hard to tell safe mushrooms from toxic ones. So, treat all wild mushrooms as dangerous. If your dog eats one, get vet help fast. Amanita phalloides, Galerina marginata, and Amanita muscaria are especially toxic to dogs.

Dog owners need to know about these dangers. Dogs love to explore and might eat toxic mushrooms by accident. Dogs can’t tell which mushrooms are safe. So, owners must watch them closely and stop them from eating mushrooms.

Understanding the Risks of Mushroom Foraging

Mushroom picking can be fun but risky for dogs. Dogs like to sniff around, which might lead them to toxic mushrooms. Eating even a little can be very bad for them.

Dogs are naturally curious creatures and may inadvertently come into contact with toxic mushrooms while exploring their surroundings.

Eating toxic mushrooms can make dogs very sick. They might vomit, have seizures, or even get liver or kidney damage. In the worst cases, they could die. What happens depends on the mushroom and how much they eat.

Identifying Toxic Mushrooms: The Importance of Proper Identification

Mushrooms look different from each other. This makes it hard to know which are toxic. Some toxic mushrooms look like ones you can eat. So, it’s hard to tell them apart just by looking.

To know which mushrooms are safe, ask experts or join mushroom clubs. Books and websites can help too. But it’s best to get advice from someone who knows a lot about mushrooms.

The Toxic Effects of Wild Mushrooms on Dogs

Dogs can get very sick from eating toxic mushrooms. Symptoms can be mild or very severe. The worst cases can lead to seizures, organ failure, or death.

The potential toxic effects of wild mushrooms on dogs include:

  • Gastrointestinal disturbances: Vomiting, diarrhea, abdominal pain, and loss of appetite.
  • Neurological symptoms: Seizures, tremors, ataxia (loss of coordination), and disorientation.
  • Liver damage: Toxic mushrooms can cause liver failure and lead to jaundice (yellowing of the skin and eyes), weakness, and lethargy.
  • Kidney failure: Some mushrooms can damage the kidneys, leading to increased thirst, frequent urination, and dehydration.

Because these health risks are so serious, keeping dogs safe is key. If a dog eats a toxic mushroom, take them to the vet fast. The right care can really help.

Symptoms and Treatment of Mushroom Poisoning in Dogs

The symptoms of mushroom poisoning can change based on the mushroom type. Dog owners should know these signs. They must get vet help right away if they think their dog ate mushrooms. Symptoms include:

  • Vomiting
  • Diarrhea
  • Drooling
  • Weakness
  • Ataxia (loss of coordination)
  • Lethargy
  • Jaundice (yellowing of the skin and eyes)
  • Abdominal pain

These symptoms can be more or less severe based on the mushroom type and amount eaten.

If you think a dog ate a mushroom, get vet help fast. The treatment depends on the mushroom type, dog’s symptoms, and time since they ate it. Vets have different ways to lessen mushroom toxin effects and stop organ harm.

A common treatment is to make the dog vomit safely under a vet’s watch. They might also give activated charcoal. This helps soak up toxins left in the gut.

Caring for the dog is key when treating mushroom poisoning. This care might include fluids for dehydration, medicine for vomiting and diarrhea, and checks on liver and kidney health to avoid or fix organ damage.

Knowing the exact mushroom type is not always needed for treatment. Fast vet help and caring for the dog are most important when dealing with mushroom poisoning.

Stay informed about the symptoms of mushroom poisoning in dogs and seek veterinary treatment immediately if ingestion is suspected. Quick intervention and appropriate treatment are essential for the well-being of your furry friend.

Beneficial Mushrooms for Dogs

Some mushrooms are not good for dogs, but others are safe and helpful. Mushrooms like button and portobello are okay if you cook them right. They are a healthy food for your dog.

Mushrooms are very nutritious for dogs. They have minerals, vitamins, healthy fats, proteins, and more. These things are good for your dog’s health and their immune system.

Some mushrooms are even used as medicine. For example, turkey tail, lion’s mane, and cordyceps can help fight sickness. They have been studied for their use in treating allergies, cancer, and more in dogs.

Yet, remember to cook mushrooms before your dog eats them. Cooking makes them safer and keeps the good stuff in them. Always make sure they are well-cooked for your dog’s safety and health.


What types of mushrooms are poisonous to dogs?

Some mushrooms can hurt dogs. We need to watch out for several types. These are hepatotoxic, neurotoxic, gastrointestinal, and nephrotoxic mushrooms.

What are hepatotoxic mushrooms?

Hepatotoxic mushrooms are very dangerous for dogs. They include the death cap mushroom (Amanita phalloides). These mushrooms have poisons that can make a dog’s liver fail.They grow in places like the Pacific Northwest and parts of California.

What are neurotoxic mushrooms?

Neurotoxic mushrooms can mess up a dog’s brain. Some are psilocybin mushrooms and others. They can make a dog weak or even cause seizures.

Are there gastrointestinal mushrooms that are toxic to dogs?

Yes, some mushrooms can upset a dog’s stomach. A kind called muscarinic mushrooms can lead to big vomiting and diarrhea problems.

What are nephrotoxic mushrooms?

Nephrotoxic mushrooms can harm a dog’s kidneys. Cortinarius spp is one kind. Dogs might drink a lot, go to the bathroom a lot, or throw up.

How should mushroom poisoning in dogs be treated?

Quick help and cleaning out the poison are key when dogs eat toxic mushrooms. You must take them to a vet right away. A fungus expert might help find out which mushroom was eaten.

Can dogs forage for mushrooms outdoors?

Even if dogs might sniff out bad mushrooms, eating wild ones can be deadly. Treat all wild mushrooms as bad. Always get help if your dog eats one.

What are the symptoms of mushroom poisoning in dogs?

The signs of mushroom poisoning can change based on the mushroom type. Watch for vomiting, diarrhea, and being really tired. Jaundice and belly pain can also happen. Go to a vet fast if your dog eats a mushroom.

Are there any safe mushrooms for dogs to eat?

Some mushrooms are okay for dogs. Store mushrooms like button and portobello are safe if cooked right. Medicinal mushrooms like turkey tail are also good for them.
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