Health risks for dogs during the autumn season
It’s autumn! While autumn may be a beautiful season for nature lovers, unfortunately, it is not entirely without dangers for our four-legged friends. In addition to various leaves, the ground is also covered with acorns, chestnuts, holly, pine cones, beech nuts and mushrooms. If your dog eats these autumn fruits, they can become very ill. In this blog, you’ll learn about the health risks autumn poses to your dog.

Acorns are poisonous to dogs
Many dogs enjoy playing with autumn fruits, chewing on them or even eating them. Do not allow this. Many autumn fruits are poisonous to dogs, including acorns. Acorns and oak leaves contain tannin, also known as tannic acid. Too much tannin can cause intestinal problems and, in severe cases, can even lead to paralysis and kidney failure. Unripe, green acorns (and leaves) contain particularly high levels of this toxic substance. You should also remain cautious with ripe acorns and dogs. Ripe acorns contain less tannin and are therefore less poisonous, but they can certainly still cause health problems when eaten in large quantities.
In addition to tannin poisoning, acorns can also cause intestinal blockages in your dog. In most cases, such a blockage will need to be removed surgically. This shows that acorns are very unhealthy for our four-legged friends.
Be careful with other autumn fruits
In addition to acorns, there are other autumn fruits that are poisonous to your dog. Below is an overview of other poisonous autumn fruits:
Chestnuts
A typical example of a poisonous autumn fruit is the horse chestnut and its leaves. Horse chestnuts (and leaves) contain saponins, which can cause irritation of the mucous membranes and even neurological disorders.
Holly
The red berries and leaves of holly are also poisonous to your four-legged friend. Holly blooms in autumn and winter and contains both tannin and saponin. Even a small amount of holly berries can cause symptoms such as nausea, vomiting and diarrhoea in a dog. Holly is also poisonous to humans, so take extra care.
Mushrooms
Mushrooms should definitely not be forgotten in the list of poisonous autumn fruits. Mushrooms that are toxic to humans are also toxic to dogs. Because it is very difficult to distinguish poisonous mushrooms from non-poisonous ones, we recommend keeping your dog away from these autumn fruits altogether. This way, you prevent your dog from unpleasant symptoms such as stomach and intestinal problems or other digestive issues, but also hallucinations (think of barking at movements/sounds we cannot perceive or compulsively chasing its tail and snapping at the air), fever, and epileptic seizures are symptoms of eating mushrooms. So don’t take any risks and keep your dog away from these autumn fruits.
Pine cones and beech nuts
Besides the poisonous autumn fruits mentioned above, there are also autumn fruits that are not toxic to your dog but are still dangerous. Think of pine cones and beech nuts. Neither contains toxic substances, but they do have sharp splinters and edges. If your dog swallows a pine cone or beech nut, it can cause a lot of damage in the intestines.
What should you do if your dog has eaten an autumn fruit?
If you have seen that your dog has eaten one of the above autumn fruits or shows symptoms that belong to, for example, tannin or saponin poisoning, act quickly, even if no poisoning symptoms are yet visible. Always contact the veterinarian and, if possible, bring the autumn fruit in question or take a photo of the specific autumn fruit so the vet can make a proper diagnosis and treat effectively.
How can you prevent your dog from eating autumn fruits?
To prevent your dog from taking a bite of (poisonous) autumn fruits, at least don’t let him play with acorns, chestnuts, pine cones, beech nuts, and mushrooms. The chance that your dog accidentally swallows something while playing is high. If you see your dog has an autumn fruit in its mouth, try to trade it for a treat or another snack. Do you have a dog that likes to ‘snack’ on everything loose and attached while out and about? Then choose the safe route and go for a path where there are as few autumn fruits as possible. Finally, we recommend keeping your dog on a short leash so it’s harder for the dog to eat things off the ground. Prevention is better than cure.
Be extra alert when walking in a wooded area during the autumn season. Not only watch your dog carefully, but also don’t forget to look around you. Autumn is a special season and creates beautiful natural phenomena!
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