Why immediate action matters for a drooling 4 kg cat
Drooling this soon after ingestion means the sodium hydroxide has already started damaging your cat's mouth and throat. At 4 kg, even half a cup of contaminated stew is enough to coat the entire digestive tract with this corrosive chemical. The drooling isn't just saliva—it's the body's desperate attempt to flush out the burning sensation, which won't stop without medical intervention.
Every minute counts because oven cleaner continues burning until it's neutralized or diluted. Unlike some toxins that take hours to absorb, this causes immediate tissue damage that can lead to painful ulcers or perforations. Your cat's small size makes the risk higher—what might cause mild irritation in a larger animal becomes life-threatening in their delicate system.
What rinsing can (and can't) do at this stage
While you've been advised to rinse the mouth, understand that this only helps with surface contact—it won't reverse damage to tissues the cleaner has already penetrated. Use room-temperature water, never cold or hot, as extreme temperatures worsen chemical burns. Tilt your cat's head slightly downward so the rinse water flows out rather than being swallowed.
The few teaspoons of water suggested are critical: they help dilute any oven cleaner still in the stomach, buying time until veterinary care is available. But don't attempt to make your cat drink more—force-feeding liquids could cause aspiration if swallowing is painful or if the throat is swelling.
Why vomiting isn't an option with oven cleaner
Unlike many food toxins, inducing vomiting would be disastrous here. Bringing the stew back up would expose the esophagus and mouth to the corrosive chemical a second time, doubling the injury. The burning you're seeing from initial contact would recur all along the throat during vomiting.
Vets handle these cases differently—they may use specialized techniques like stomach flushing under anesthesia or administer protective coatings for the digestive tract. This is why professional care is non-negotiable, even if your cat seems to recover temporarily after rinsing.
The next 24 hours: what vets will watch for
Even after initial treatment, your cat isn't out of danger. Vets will monitor for delayed complications like esophageal strictures—scar tissue that narrows the throat over days or weeks, making swallowing difficult. They'll also check for signs of perforation, which can lead to life-threatening infections in the chest or abdomen.
Expect your vet to recommend a soft-food diet for several days and possibly pain medication. Watch for decreased appetite, unusual lethargy, or increased drooling in the coming week—these could signal ongoing damage that needs follow-up care like imaging or endoscopic evaluation.
The step-by-step response, from the first minute to the vet visit, is in our Oven Cleaner Poisoning in Dogs and Cats emergency guide.