Why trembling in a 4 kg kitten demands fast action
That slight shaking you're seeing is often the first visible clue of mycotoxin exposure, which hits small bodies harder. A kitten's liver isn't fully developed to filter these mold byproducts, so neurological signs like tremors can escalate to seizures within hours if untreated. The raw state of the pecans raises the mold risk significantly compared to roasted nuts.
Watch for dilated pupils or excessive drooling—these suggest the toxins are affecting her nervous system. The two halves she ate are enough to overwhelm her tiny frame, especially if they were from an older batch where mold had time to grow. Don't wait for vomiting to start; the trembling alone confirms she's reacting.
What the next 6 hours could look like
If mold toxins are present, her symptoms may worsen rapidly—expect wobbly walking or sudden muscle twitches. Pancreatitis from the nuts' high fat could also develop separately, causing a hunched posture and refusal to eat. These two conditions require different treatments, so your vet will likely run blood tests.
Time matters here: mycotoxin effects peak within 4–8 hours but can linger for days. IV fluids help flush the toxins, while medications control tremors. Without care, dehydration from vomiting or fever could complicate recovery, especially in such a young cat.
Why raw pecans differ from other nut risks
Cooked pecans in baked goods mainly threaten pancreatitis, but raw ones carry double danger—mold and high fat. The 2-hour exposure before eating gave any mold spores time to produce more toxins. Kittens lack the body mass to dilute these effectively.
Compare this to a larger adult cat stealing a pecan cookie: they might only get an upset stomach. Your kitten's size turns what seems like a small amount into a critical dose. The trembling confirms her body is already struggling.
What to bring to the emergency vet
Grab the remaining pecans if possible—their appearance (dark spots, powdery coating) can help identify mold types. Note exactly when she ate them and when tremors began; this timeline guides treatment urgency. Bring a recent photo of the nuts if the actual pieces aren't available.
Expect the vet to ask about other symptoms you might not yet notice, like sensitivity to light or sound. Pack her favorite blanket—stress worsens tremors, and familiar smells help. If she's never had blood work before, mention this; kittens sometimes react differently to sedation.
The step-by-step response, from the first minute to the vet visit, is in our Pecan Poisoning in Dogs emergency guide.