A pea-sized piece is high risk for a 4 kg cat
Daffodil bulb toxicity isn't dose-dependent in cats the way some toxins are — even tiny amounts contain enough lycorine to trigger violent reactions. Your cat's small body size means the alkaloids spread faster through her system, targeting nerve signals and stomach lining simultaneously. What seems like 'just a nibble' can cause disproportionate harm.
Cats often hide symptoms until they're severe, so don't wait for visible distress. The first internal damage usually involves stomach cramping and microscopic ulcers from the irritant compounds. Within an hour, she may start drooling excessively or licking her lips — subtle signs of nausea that owners often miss.
Why cats react worse than dogs to bulb toxins
Feline livers lack certain enzymes that help break down plant alkaloids, making cats far more susceptible than dogs to daffodil poisoning. The same pea-sized piece that might give a dog stomach upset could cause seizures in a cat. Their smaller airways also make vomiting more dangerous due to aspiration risks.
Lycorine specifically interferes with calcium channels in cat heart muscles, potentially leading to arrhythmias at lower doses than in dogs. Your vet may recommend ECG monitoring even if she seems stable, since heart irregularities can develop silently. Prompt IV fluids help flush toxins before they concentrate in her kidneys.
Critical signs to monitor before reaching the vet
Watch for unsteady walking or exaggerated limb movements — these suggest neurotoxicity is setting in. Check her gums; if they're pale or tacky, she's already dehydrating from fluid loss. Cats often vomit repeatedly with daffodil poisoning, sometimes with blood as the stomach lining erodes.
Keep her in a quiet, dark carrier during transport to reduce stress on her heart. Don't offer food or water, as this can accelerate toxin absorption or trigger more vomiting. If she starts panting or her pupils dilate unevenly, those are red flags for advancing toxicity needing immediate intervention.
Long-term risks from small exposures
Even after recovery, some cats develop lasting sensitivity to plant toxins, making future exposures more dangerous. The bulb's compounds can temporarily alter gut bacteria, leading to diarrhea or appetite loss for weeks. Your vet might suggest probiotics during recovery.
Prevent future incidents by checking potted plants for exposed bulbs and keeping cut daffodils in rooms cats can't access. Remember that dried bulbs in gardening supplies are equally toxic. Consider planting cat grass to divert her nibbling instincts away from hazardous plants.
The step-by-step response, from the first minute to the vet visit, is in our Daffodil Bulb Poisoning in Dogs and Cats emergency guide.