Why slime trumps cilantro in this scenario
Your 5 kg cat didn't eat cilantro - she ate a bacterial colony that happened to grow on cilantro. Overnight at room temperature, leafy greens develop Pseudomonas and Enterobacter bacteria, which create that characteristic slick coating. These microbes irritate feline stomachs far more than the herb itself.
The small serving size helps - a few leaves limit bacterial intake. Had this been a whole rotten bunch, we'd be discussing toxin risks from advanced decay. But with minimal consumption, the battle is simple stomach irritation versus systemic poisoning.
Feline versus canine mold reactions
Cats process spoiled greens differently than dogs. Their shorter digestive tracts often reject bacterial loads via vomiting rather than absorbing them. Expect one or two hairball-like vomits with green streaks as her stomach purges the slimy leaves. This is preferable to diarrhea, which would indicate deeper gut irritation.
Unlike dogs that might nibble moldy cheese without issue, cats lack certain liver enzymes to process microbial byproducts. Even this small bacterial dose could cause more noticeable effects than in a canine counterpart of the same size.
The critical 12-hour observation window
Mark the time of ingestion if possible. Bacterial stomach upset typically manifests within 4-6 hours in cats, presenting as lip-licking, restless pacing, or that pre-vomit crouch. One productive vomit usually resolves it. No vomiting yet? Check the litter box for unusually soft stool, which may appear by hour 12.
Danger signs include vomiting that continues past two episodes or contains yellow bile between food chunks. This suggests stomach lining irritation from bacterial toxins rather than simple content rejection. At 5 kg, your cat has limited reserves for fluid loss.
Hydration strategies for reluctant drinkers
Cats often refuse water after stomach upset, worsening dehydration risks. Instead of a bowl, offer ice cubes to lick or wet her paws with cool water - many cats will lick it off. If she normally eats wet food, add extra warm water to make soup. Dry food should be withheld until vomiting ceases for four hours.
Monitor the water bowl's water level with marks or measuring cups. A 5 kg cat needs about 200 ml daily - if she drinks less than half that in 24 hours post-incident, subcutaneous fluids may be needed to prevent kidney strain from the bacterial insult.
The full verdict, portion guidance and serving notes are collected on the Cilantro food facts page.