# Can Dogs Eat Onion UK? — Quick answer

PETHEALTH+ (https://pethealth.org.uk/health/can-dogs-eat-onion-uk): Can Dogs Eat Onion UK? — Quick answer. No — dogs must not eat onion. Onions destroy red blood cells, causing anaemia that may appear days later. All forms count — raw, cooked, powder, and in gravy or curry. If your dog ate onion, use our onion toxicity calculator and phone your vet or Animal PoisonLine on 01202 509000.

PETHEALTH+ (https://pethealth.org.uk/health/can-dogs-eat-onion-uk): Can Dogs Eat Onion UK? — Why onion is toxic. Plants in the Allium family — onion, garlic, leeks, chives, and shallots — contain thiosulphates that damage red blood cells, causing haemolytic anaemia. Hidden sources in UK homes: - Onion gravy and stock cubes - Curry, pizza, and takeaway meals - Baby food with onion powder - Seasoning mixes

PETHEALTH+ (https://pethealth.org.uk/health/can-dogs-eat-onion-uk): Can Dogs Eat Onion UK? — Symptoms. Signs may not appear immediately — anaemia can develop over one to five days: - Vomiting and diarrhoea - Weakness and lethargy - Pale gums - Rapid breathing - Dark or reddish urine

PETHEALTH+ (https://pethealth.org.uk/health/can-dogs-eat-onion-uk): Can Dogs Eat Onion UK? — What to do if your dog ate onion. 1. Estimate the amount and note the form (raw, cooked, powder) 2. Use the onion toxicity calculator 3. Phone your vet or Animal PoisonLine (01202 509000, charges apply) with your dog's weight 4. Do not wait for symptoms See onion and garlic poisoning for full guidance.

PETHEALTH+ (https://pethealth.org.uk/health/can-dogs-eat-onion-uk): Can Dogs Eat Onion UK? — Safe alternatives. Plain cooked vegetables without seasoning — carrots, green beans, or plain rice — are safer treats. See what vegetables can dogs eat.

Source: https://pethealth.org.uk/health/can-dogs-eat-onion-uk