Safety guide
Is Onions safe for dogs?
Toxic — emergency
Onions destroy red blood cells and cause haemolytic anaemia in dogs.
All forms of onion — raw, cooked, powdered — contain compounds that damage red blood cells. Powdered or dehydrated forms are more concentrated. Symptoms may be delayed by several days.
Symptoms to watch for
- Weakness
- Pale gums
- Vomiting
- Lethargy
- Reddish urine
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When to call your vet
Your dog ate a significant amount of onion (more than 0.5% of body weight) in any form.
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