Why uncooked rawhide is worse for cats than processed
Rawhide straight from the hide (unbleached/unprocessed) contains more natural collagen fibers that act like fishing line in a cat's digestive tract. These fibers can wrap around the base of the tongue or anchor in the stomach while the rest continues into the intestines. The drooling suggests your cat is already feeling this irritation somewhere along the upper GI tract.
Cats lack the enzymes to break down even small amounts of rawhide, unlike dogs that have some ability to handle tiny pieces. What might cause mild indigestion in a dog becomes an absolute obstruction risk in felines. The fact that it's plain doesn't reduce the danger—flavorings aren't the primary hazard with rawhide.
How 5 kg body size changes the risk calculation
A cat's intestinal diameter is about as wide as a pencil, meaning even a thumbnail-sized piece can create a complete blockage. At 5 kg, your cat is likely an adult but still has a proportionally smaller digestive tract than most dogs. Rawhide tends to swell lengthwise in cats, forming long ropes that can pleat the intestines like accordion folds.
The drooling indicates active distress, possibly from a piece stuck at the back of the throat where the esophagus begins. Cats often don't vomit effectively with throat obstructions—they may silently struggle while saliva pools. Never assume a cat is 'fine' because they aren't coughing; their survival instinct masks pain until collapse occurs.
Why waiting for vomiting could be deadly
Unlike dogs that often vomit up problematic chews, cats frequently retain the material until it moves too far down to expel. By the time a cat shows obvious vomiting, the rawhide may have already caused internal lacerations or begun decomposing into toxic byproducts. The drooling you see now is essentially an early warning system cats have evolved for oral irritants.
Particularly worrisome is if the drool appears thick or stringy—this suggests the rawhide is already breaking down into glue-like strands that adhere to mucous membranes. Emergency vets often need specialized tools like endoscopes to retrieve these without pushing them deeper. The ASPCA poison line can guide you to feline-specific ERs with this equipment.
The hidden danger of bacterial contamination
Uncooked rawhide often carries higher levels of Salmonella and E. coli than processed products. Cats are especially susceptible to these bacteria due to their shorter digestive transit time. Watch for tacky gums, fever (ears feeling hot), or diarrhea with a distinctive metallic smell—all signs of possible septicemia from gut perforation.
Even if the piece seems to pass, the microscopic damage from rawhide fibers can take days to manifest as peritonitis. Your vet may recommend hospitalization for IV fluids and monitoring even if initial x-rays look clear. Cats compensate remarkably well until they suddenly crash, so proactive care is essential after any rawhide ingestion.
The step-by-step response, from the first minute to the vet visit, is in our Dental Chews and Rawhide: Choking and Blockage Risks emergency guide.