[header] How to avoid feeding your cat harmful people foods [title] Do not give your cat onions, garlic, or chives. [step] Onions, garlic, and chives contain properties that can cause anemia if consumed by your cat. This can also lead to jaundice and damage your cat's red blood cells. 
Even a few slices of onions, garlic, or chives can be toxic for cats. [substeps] This applies to uncooked and cooked onions, garlic, and chives.