Why the packaging matters most in the first 30 minutes
Right now, the critical factor isn't how much your cat ate or her weight—it's identifying which poison is in that block. Rodenticides vary wildly: some cause internal bleeding days later, while others trigger seizures within hours. The packaging's fine print holds the answer. If you can't find it, assume the worst-case scenario and head to the vet immediately—better to overreact now than underreact when symptoms appear.
Don't rinse the chewed block or wipe your cat's mouth yet—those traces help the vet identify the toxin. Watch for pink stains around her lips or paws, which suggest she ingested more than you saw. Even if she seems fine now, her small size means a few grams could be serious, especially since cats groom poison off their fur.
What the vet clinic will ask when you call
Expect three urgent questions: the brand name, active ingredient (like bromethalin or brodifacoum), and whether the block was old or fresh. Newer blocks often have higher concentrations. Describe any blue/green dye stains—these help estimate intake. If you're unsure, say "unknown anticoagulant" or "possibly neurotoxic"—this alerts them to prepare both vitamin K1 and seizure medications.
Time matters differently with rodenticides. Anticoagulants buy you a 24-48 hour window before bleeding starts, but neurotoxins demand action within 2 hours. Your 6 kg cat's symptoms could include sudden clumsiness, twitching eyelids, or excessive vocalization—subtle signs owners often miss until it's advanced.
Why inducing vomiting isn't a safe option here
Unlike chocolate or plants, rodenticides often contain oily carriers that make vomiting risky—your cat could aspirate the poison into her lungs. The block's wax or grain base also means it's already binding to her stomach lining. Vets sometimes use endoscopy instead, but only if the exact toxin warrants it and within a strict time frame.
At home, offer a small meal of her regular food—this can slow absorption slightly. Avoid milk, yogurt, or oils, which may accelerate poison uptake. If she refuses food, don't force it; stress worsens toxin circulation. Keep her in a dim, quiet room to reduce neurological stimulation if it's a neurotoxic type.
Preparing for the next 6 critical hours
Grab your cat carrier now—even if you're waiting for callback. Blood tests won't show clotting issues yet, but baseline values help later comparisons. Bring any vomit or stool samples (even normal-looking ones) in sealed bags—some rodenticides fluoresce under UV light at the clinic.
Monitor her gums—press gently to check capillary refill time. Pale or grayish gums need emergency care, even without other symptoms. Note her breathing rate; cats typically take 20-30 breaths per minute at rest. Faster or noisy respiration could indicate fluid buildup from certain toxins. Most importantly—don't wait. Rodenticide treatment is far simpler (and cheaper) in these early stages.
The step-by-step response, from the first minute to the vet visit, is in our Rat Poison (Rodenticide) Poisoning emergency guide.