
Wild mushrooms can be toxic to dogs, and even deadly in some cases. Dogs are naturally curious and tend to explore their surroundings by scent and taste, which can lead them to ingest wild mushrooms that may be harmful. While not all wild mushrooms are toxic, it can be extremely difficult to distinguish between toxic and non-toxic varieties. Therefore, it is crucial to treat any suspected mushroom ingestion as a medical emergency and seek immediate veterinary care. The toxicity and symptoms depend on the mushroom species and the amount consumed, with some causing gastrointestinal issues, liver and kidney failure, neurological problems, and even death. To aid in diagnosis and treatment, it is recommended to bring a sample of the mushroom or take photos from multiple angles.
| Characteristics | Values |
|---|---|
| Toxicity | While not all wild mushrooms are toxic, a small percentage of them can be extremely dangerous and even deadly to dogs. |
| Types | Some of the most toxic wild mushrooms include Amanita phalloides ("death cap"), Galerina marginata ("deadly Galerina"), Inocybe spp., Clitocybe dealbata, Amanita gemmata, Amanita muscaria, and Lepiota. |
| Symptoms | Symptoms of mushroom poisoning in dogs can include vomiting, diarrhea, ataxia (wobbliness), tremors, seizures, liver failure, acute kidney injury, and death. |
| Treatment | If your dog has ingested a wild mushroom, seek immediate veterinary care. Do not wait for symptoms to appear. Take a sample of the mushroom and its location for identification. Your veterinarian may induce vomiting, administer GI medication, or perform a gastric lavage. IV therapy and diet management are often used to treat liver and kidney issues. |
| Prevention | Keep your dog away from wild mushrooms and remove them from your surroundings if possible. Do not feed your dog wild mushrooms, and be cautious with store-bought mushrooms due to added ingredients. |
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What You'll Learn

What to do if your dog eats a wild mushroom
If your dog eats a wild mushroom, it is important to remain calm and take the following steps:
Identify the mushroom
Firstly, try to identify the mushroom that your dog has ingested. This can be difficult, as many mushrooms look similar, and even mushroom foragers make mistakes. There are some apps and online support groups dedicated to identifying mushroom species, which can be helpful. Take clear pictures of the mushrooms from multiple angles and pick one or two samples if there are more mushrooms in the area. However, do not attempt to identify the mushroom yourself unless you are a mushroom specialist (mycologist).
Contact a veterinarian or poison control center
Even if you think the mushroom is non-toxic, it is crucial to contact your veterinarian, animal poison control center, or emergency veterinary hospital immediately. Treat any wild mushroom ingestion as a potential veterinary emergency. Provide the veterinarian with as much information as possible, including the photos and/or samples of the mushroom, your dog's medical history, and any symptoms your dog is exhibiting.
Induce vomiting (if advised by a veterinarian)
If your dog has recently ingested the mushroom, your veterinarian may advise you to induce vomiting or use activated charcoal to remove toxins from the stomach. Do not induce vomiting unless instructed to do so by a veterinarian, as it can be dangerous in some situations.
Monitor for symptoms
Mushroom poisoning in dogs can cause a range of symptoms, including gastrointestinal issues (such as vomiting, diarrhea, and stomach upset), neurological signs (such as ataxia, tremors, and seizures), and in severe cases, liver and kidney failure. Some symptoms may not appear until 24 hours after ingestion, and liver and kidney failure may take 2-3 days to develop. If your dog exhibits any of these symptoms, return to the veterinarian for further treatment and monitoring.
Prevent future incidents
To prevent future incidents of wild mushroom ingestion, it is important to keep your dog away from areas where wild mushrooms grow and to remove any wild mushrooms that you find in your yard or places where your dog plays. Keep your dog on a leash when walking in areas with wild mushrooms, and train your dog to drop items like sticks and mushrooms on cue.
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Identifying wild mushrooms
Firstly, it is important to act quickly. The symptoms of mushroom poisoning in dogs can appear within 15-30 minutes of ingestion, but they can also be delayed for up to 24 hours. Take your dog for a veterinary examination immediately if you notice any symptoms of mushroom poisoning, such as vomiting, diarrhoea, ataxia (wobbliness), or tremors. Seizures are the worst neurological symptom that can occur, and they are treated with anticonvulsant medications.
If possible, bring a sample of the mushroom to the veterinarian for examination. Wrap the mushroom in a damp paper towel or store it in a paper bag, as plastic bags can cause mushrooms to spoil faster. Take photographs of the mushroom from multiple angles, and note the location where your dog ingested the mushroom, as this information can be helpful for identification.
While only a small percentage of mushroom species are toxic, the toxic ones can be extremely dangerous, and it is challenging to distinguish between toxic and non-toxic mushrooms. Therefore, it is recommended to treat all wild mushrooms as potentially toxic and seek veterinary help immediately if your dog ingests any wild mushrooms.
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Symptoms of mushroom poisoning in dogs
While not all wild mushrooms are toxic, it is recommended to treat all mushroom ingestion by dogs as a medical emergency. If your dog has ingested a wild mushroom, contact your veterinarian, animal poison control centre, or emergency veterinary hospital immediately.
The symptoms of mushroom poisoning in dogs depend on the species of mushroom and the amount consumed. The deadliest mushroom species is Amanita, which causes liver failure and subsequent kidney failure. The first signs of poisoning may affect dogs quickly (within 15-30 minutes after ingestion), but they can also be delayed by up to 24 hours. It may take 2-3 days to see evidence of liver and kidney failure.
In addition to these physical symptoms, dogs may also exhibit behavioural changes such as increased drinking and urination, lethargy, and weakness. In some cases, dogs may become comatose. It is important to seek immediate veterinary care if your dog ingested any wild mushrooms, as mushroom poisoning can be fatal.
If your dog has ingested a mushroom, it is important to take them to the veterinarian immediately. The veterinarian will ask about the dog's medical history and any possible toxins the dog may have been exposed to. It is helpful to provide the veterinarian with a sample of the mushroom or photographs of it from multiple angles to aid in identification.
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Treatment for mushroom poisoning in dogs
If you suspect that your dog has ingested wild mushrooms, it is important to act quickly as mushroom poisoning in dogs can be fatal. Contact your veterinarian, animal poison control centre, or emergency veterinary hospital immediately. While it is estimated that 99% of mushrooms are harmless, the remaining 1% can be deadly if left untreated.
Before seeking veterinary help, try to take pictures of the mushroom from multiple angles and, if possible, bring a sample of the mushroom to your appointment. It is important to note that collecting pictures or samples should never delay treatment. If you did not see your dog eat the mushroom, it may be helpful to inform your vet of any recent activities, such as hiking or travelling, that could have led to your dog being out of your sight.
Upon arrival at the veterinary hospital, the vet will ask questions relating to the dog's medical history and the nature of the symptoms. They may also recommend bringing in a toxicologist and/or mushroom identifier to help with your dog's care. The vet will then determine the appropriate course of treatment, which may include:
- Inducing vomiting and administering activated charcoal to prevent absorption of the toxin.
- Providing supportive care, such as intravenous crystalloids, subcutaneous fluids, and oral GI protectants.
- Administering anticonvulsant medications, such as potassium bromide and phenobarbital, for seizures.
- In the case of extensive kidney damage, dialysis may be recommended.
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Preventing dogs from eating wild mushrooms
While not all wild mushrooms are toxic, it is important to take precautions to prevent dogs from eating them. Here are some ways to prevent dogs from consuming wild mushrooms and protect their health:
Restrict Access to Wild Mushrooms
Walk your dog in open areas where mushrooms are less likely to grow, such as paved paths or open fields. Keep your dog on a leash during walks to better control their movements and prevent them from wandering into wooded areas or grassy parks where mushrooms may be present. Regularly inspect your garden or backyard, where wild mushrooms can sprout, and safely remove them to eliminate the risk of your dog consuming them.
Provide Alternative Treats
Instead of wild mushrooms, offer your dog alternative treats that are safe and nutritious, such as carrot sticks or slices of apple. This helps to satisfy their curiosity and cravings while avoiding the potential dangers of mushroom ingestion.
Train Your Dog
Teach your dog basic commands such as "Leave it" or "Drop it." When they are curious about a wild mushroom and approach it, giving them a firm "Leave it" command can prevent them from taking a bite. Positive reinforcement techniques can be used to train them effectively.
Be Vigilant During Mushroom Season
In warmer climates, mushrooms may grow year-round, but in most areas, spring and early fall are the prime seasons. During these periods, be extra vigilant and keep your dog under close supervision when outdoors.
Seek Immediate Veterinary Assistance
If you suspect your dog has ingested a wild mushroom, time is of the essence. Contact your veterinarian or an animal poison control center immediately. Provide them with as much information as possible, including any symptoms you observe, and follow their instructions for treatment.
Remember, even if your dog only exhibits mild symptoms, it is crucial to seek professional help. The severity of mushroom poisoning depends on the mushroom species and the quantity consumed, and some toxic mushrooms can cause irreversible damage or even death.
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Frequently asked questions
Yes, wild mushrooms can be harmful to dogs. While not all wild mushrooms are toxic, veterinarians recommend treating all wild mushrooms as potentially poisonous. If your dog has ingested a wild mushroom, seek immediate veterinary care.
The symptoms of mushroom poisoning in dogs depend on the species of mushroom and the amount consumed. Common clinical signs include vomiting, diarrhea, ataxia (wobbliness), tremors, seizures, and in severe cases, liver and kidney failure.
If you suspect your dog has eaten a wild mushroom, contact your veterinarian or an animal poison control center immediately. Try to get a sample of the mushroom or take photos from multiple angles to help with identification.
Treatment for mushroom poisoning in dogs may include inducing vomiting, administering activated charcoal or gastric lavage, and providing intravenous fluids to combat dehydration and flush out toxins. In some cases, dialysis or medication may be necessary to support liver and kidney function.
While most experts advise against feeding dogs wild mushrooms, some believe that certain species, like psilocybe cyanescens, can provide health benefits when administered in small quantities. These mushrooms contain compounds with antioxidant and anti-inflammatory properties, which may help reduce the risk of chronic diseases. However, due to the risks associated with mushroom poisoning, it is generally recommended to avoid giving wild mushrooms to dogs.

























