When one cat in the house is prescribed a special diet, meals stop being a shared event. Each cat gets her own eating place, a door shuts between them, and the bowls come up as soon as eating finishes, so no cat can wander afterward into another cat's leftovers. That separation — unglamorous, repeated at every feed — is what makes the prescription worth paying for.
Decide which room belongs to which cat and keep the pairing fixed, so each cat learns where her own meal appears and stops patrolling the others. Feed the prescription cat first if she is the anxious one, or feed simultaneously behind doors if waiting sounds set off scrabbling and yowling. Stay until bowls come up; a prescription bowl left down for ten unsupervised minutes is an open invitation to the household's fastest grazer, and a meal's worth of the wrong food can undo days of careful feeding.
Hardware That Guards the Diet Between Meals
For a determined food thief, a feeder that opens only for one cat's microchip or collar tag can protect the prescription diet around the clock, and the ordinary food needs the same protection in reverse if the prescription cat must not eat it either. Place feeders where the authorised cat can eat undisturbed — a thief who cannot open the lid may still bully the rightful cat away from it — and clean the bowls as scrupulously as you separate them, because residue of the wrong diet in a shared washing-up bowl is the leak nobody thinks of.
Never mix a little ordinary food into the prescription diet to make it more popular without asking your vet first: palatability tricks can defeat the diet's purpose, and the vet can usually suggest formats or flavours within the same prescription range instead.
Watching the Cat the Diet Is For
Weigh the cat on the special diet regularly — monthly at home, and at whatever interval the vet sets — and note appetite honestly: eating the prescription food under protest, leaving half, or mounting raids on the other bowls all tell the vet something useful. Report stealing problems rather than quietly compensating with extra, because persistent hunger or refusal is clinical information, not a household failure. If the other cats gain weight on scheduled meals after years of grazing, their portions, not the system, are what need adjusting.
Making Sure Every Feeder Follows the Same Map
Separate feeding collapses when a well-meaning helper tops up the wrong bowl or lets everyone eat together 'just this once'. Write the map down: which cat, which room, which food, bowls lifted when. Put each feeding into Care Teams in KinsLe, and the helper on duty is notified of their slot; the record shows the completion time once the meal is done and the bowls are up.