Every dog is different. Individual allergies and sensitivities are common — always introduce new foods in small amounts and watch for adverse reactions. This site is for informational purposes only and is not veterinary advice. Always consult your vet.
The Full Picture
Onion powder is one of the most dangerous seasonings for dogs. Like all members of the Allium family, onions contain N-propyl disulfide and other organosulfur compounds that destroy red blood cells, causing haemolytic anaemia. Onion powder is far more concentrated than raw onions — even a small amount can be toxic. It is commonly found in a wide range of human foods including soups, sauces, gravies, stock cubes, crisps, and ready meals, making accidental exposure a real risk. Symptoms of onion toxicity include weakness, lethargy, pale gums, decreased appetite, reddish or brown urine, and collapse. Symptoms may be delayed by several days. If you suspect your dog has ingested onion powder, contact your vet immediately.
What You Should Know
Onion Powder should be kept well away from dogs. If your dog has eaten onion powder, watch for symptoms such as vomiting, diarrhea, lethargy, or loss of appetite. In an emergency, contact your veterinarian or an animal poison helpline straight away.