Are Onions Toxic To Cats? Urgent Vet Help Now!

Understanding Onion Toxicity in Cats Finding out your cat's had a sneaky nibble of an onion is scary, eish! But it's crucial to act fast. Onions, garlic, chives – the whole allium family – are seriously toxic to cats. They contain thiosulphates, chemicals that damage red blood cells, leading to hemolytic anaemia (a deficiency in red blood cells). This means their blood can’t carry enough oxygen, resulting in serious health problems....

June 18, 2025 · 3 min · 630 words · Sonya Allen