Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual
That's a very mild situation, so you can relax. Plain corn kernels are safe for cats, and any minor digestive upset would have shown within 12-24 hours. Since she's acting normally now, just continue her regular routine. You only need to call your vet if she later shows signs like vomiting, diarrhea, or a loss of appetite.
Safe to share · Cats · full breakdown on the linked food page
Plain kernels are safe. The cob is not — it causes blockages and is a common surgery case.
The full verdict, portion guidance and serving notes are collected on the Sweetcorn kernels food facts page.