06/24/2026
Roamin the cat earned his name by exploring everything he wasn't supposed to. When he dug into the trash and ate two White Castle™ sliders loaded with onions, his family thought he seemed fine, until he wasn't.
Onion toxicity is especially dangerous because signs often don't appear until several days after ingestion. By the time Roamin showed pale gums and lethargy, his red blood cell count was critically low.
Swipe through to learn what happened, why onions are so dangerous for cats, and how Michael's persistence brought Roamin home.
If your pet gets into something they shouldn't, call or chat with our expert team anytime at 800-213-6680.