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Hogweed

A representation of Hogweed

Hogweed is a plant with large white inflorescences that often grows along roadsides or in wetlands. There are two types of hogweed: the small meadow hogweed and the large giant hogweed. Both look very similar, but only the giant hogweed is poisonous to dogs and humans.

How can I tell the difference between meadow hogweed and giant hogweed?

Meadow hogweed usually grows no taller than 1.5 meters and has smaller leaves and flowers than giant hogweed. The giant hogweed can grow up to 5 meters high and has huge leaves with serrated edges and flowers with a diameter of up to 50 centimetres. Giant hogweed also has red spots on the stem.

Why is giant hogweed poisonous to dogs?

Giant hogweed contains various furanocoumarins (plant toxins), which lead to a so-called phototoxic reaction on contact with the skin when exposed to sunlight: Pustules and blisters form that resemble burns. The affected areas are very painful and can become inflamed or even scarred. The eyes can also be damaged.

What are the benefits of hogweed?

The small meadow hogweed is not poisonous to dogs or humans and can even be used as a medicinal plant. Among other things, it contains vitamin C, potassium and magnesium. It has an anti-inflammatory, diuretic and antispasmodic effect. It can help with gastrointestinal problems or skin diseases, for example.

How can I protect my dog from hogweed?

The best precaution is to keep your dog on a lead and not let him sniff or eat unknown plants. If you suspect that your dog has come into contact with hogweed, you should take him out of the sun immediately and rinse the affected areas with cold water. You should then consult a vet.

 

Hogweed is a plant with two faces: the small meadow hogweed is harmless and useful, while the large giant hogweed is dangerous and harmful. It is therefore important for dog owners to distinguish between the two species and protect their dogs from coming into contact with the poisonous giant hogweed.


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If you notice any signs of hypersensitivity or poisoning in your dog, you should see your vet immediately. We are not a substitute for a vet, but we try to be as accurate as possible. Every dog reacts differently and we recommend you get a second opinion or consult your vet if in doubt.

Stay healthy and take good care of your four-legged friend!😊

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