Why size changes everything with raw dough
A tablespoon of dough may seem insignificant, but for a 2 kg kitten, it's like a human eating two full cups. The dough will expand to four times its original volume in her stomach, pressing against organs and potentially cutting off blood flow. Your 8 kg cat has more space to accommodate the swelling, though he's not out of danger either—just on a slower timeline where you might see lethargy before crisis hits.
The fermentation process begins within 20 minutes in warm environments like a cat's body. For the kitten, this means alcohol enters her bloodstream rapidly. At her weight, even a teaspoon of ethanol can cause dangerous drops in blood sugar and body temperature—watch for wobbling or glassy eyes as early signs the alcohol is affecting her nervous system.
Two emergencies unfolding at different speeds
Your 8 kg cat might vomit naturally as his stomach stretches, buying time to reach a vet within the hour. The kitten won't have that luxury—her smaller esophagus makes vomiting difficult, so the dough stays trapped. Bloating can obstruct her diaphragm within 90 minutes, causing shallow, rapid breaths as her lungs have less room to expand.
Alcohol poisoning compounds the physical blockage. While your larger cat metabolizes it over hours, the kitten's liver processes toxins much slower relative to her size. Without intervention, she could slip into a coma by the time your other cat shows his first yawn of drowsiness from mild intoxication.
What to do right now for both cats
Separate them immediately—stress accelerates fermentation. Keep the kitten warm (ethanol lowers body temperature) but avoid heating pads that could worsen dehydration. For the 8 kg cat, remove food and water to prevent additional stomach expansion, but don't delay transport for the kitten to do this—every minute counts for her.
Call the clinic en route to alert them about the size disparity. They'll likely prioritize the kitten for oxygen support and possible stomach pumping, while monitoring your larger cat for delayed bloating. Bring the dough package if possible—yeast concentration varies by brand and affects alcohol production speed.
Why you can't wait to compare symptoms
By the time the kitten shows obvious distress (like collapsing), her stomach lining may already be damaged from pressure. The 8 kg cat's first noticeable sign—perhaps a distended belly—could appear just as she's entering critical condition. Different metabolic rates mean their visible timelines don't align.
Even if the bigger cat seems fine after six hours, monitor for hidden dangers. Secondary complications like pancreatitis from dough fats can surface days later in cats who initially appeared unaffected. The kitten's recovery, if treated promptly, still requires bloodwork to check for lingering liver stress from alcohol processing.
The step-by-step response, from the first minute to the vet visit, is in our Raw Dough Poisoning in Dogs and Cats emergency guide.