Marmalade had never turned down food in six years. Then we brought our daughter home from the hospital, and for two days straight, he wouldn’t touch his bowl. That’s the short version. The longer version is what taught us how seriously a cat’s appetite loss should be taken — and how fast “he’s just sulking” can turn into an actual emergency.
The First 48 Hours
We’d prepared for the obvious things: a crate stashed at the top of the closet, extra litter boxes, a Feliway diffuser plugged in weeks early so the smell wouldn’t be a surprise. What we hadn’t prepared for was Marmalade sitting on top of the bookshelf, unmoving, while a newborn screamed two rooms away.
Day one, no food. We told ourselves it was stress and gave him space. Day two, still nothing — not even the freeze-dried treats he usually mugged us for. That’s when we called our vet, and that’s when we learned something that changed how we thought about the whole situation: in cats, going without food for more than 24 to 48 hours isn’t just a behavior problem. It’s a medical one.
Why “He’ll Eat When He’s Hungry” Doesn’t Apply to Cats
Dogs can coast through a rough patch without eating and mostly be fine. Cats can’t, and the reason is specific to their metabolism. When a cat stops eating, their body starts breaking down fat stores for energy. Cats process that fat inefficiently, and it can accumulate in the liver faster than the organ can handle — a condition called hepatic lipidosis, or fatty liver disease. The Cornell Feline Health Center lists it as one of the most common liver diseases in cats, and it can develop from as little as two to three days of reduced eating, especially in a cat who was previously overweight (Marmalade, it turned out, had a few extra pounds on him).
The frustrating part is that hepatic lipidosis can become self-perpetuating — a cat feels nauseated from the liver strain, so they eat even less, so the strain gets worse. Our vet was blunt about it: appetite loss in a cat is never a “wait and see” situation past the two-day mark, stress-related or not.
What We Actually Did
Our vet had us bring Marmalade in on day two, more as a precaution than an emergency — he wasn’t vomiting, lethargic, or hiding in a way that suggested pain, just refusing food. She checked his weight against his last visit, felt his abdomen, and talked us through a plan before reaching for anything invasive:
- Warm the food slightly. Cold food straight from the fridge is less aromatic, and smell drives a cat’s interest in eating far more than taste does.
- Go back to something familiar and high-value, not a “healthier” option we’d been meaning to switch him to. This was not the week for dietary experiments.
- Move his bowl away from the chaos. We’d left it in the kitchen, which had become the busiest room in the house. We moved it to a quiet spare room for a few days.
- Sit with him while he ate, if he’d let us. Some stressed cats eat more easily with a trusted person nearby; others want to be left alone entirely. Marmalade turned out to be the former.
- Track actual intake, not just “he ate something.” We started measuring what went into the bowl and what was left, because “he’s eating a little” can hide a genuine problem for days.
By day three, he was eating on his own, cautiously, in the spare room. By the end of the first week, he was back in the kitchen, watching the baby from a safe distance instead of avoiding the entire ground floor. He never fully warmed up to being in the same room as her cries, but the appetite came back and stayed back — which, as our vet reminded us, was the thing that actually mattered.
What We’d Do Differently
If we did it again, we wouldn’t wait until day two to call. We’d have flagged the food refusal as a same-day concern rather than something to monitor quietly, especially given his weight. We also underestimated how much a new, loud, unpredictable presence would register as a threat to him — not because he disliked the baby specifically, but because his entire routine and territory had shifted overnight. Cats show stress in ways that are easy to miss until you know what to look for, and appetite is one of the more urgent ones — up there with litter box changes, which we went through with a different cat entirely a few years earlier.
When to Call the Vet
The rule our vet gave us, and the one we’d pass on to anyone bringing home a new baby, roommate, pet, or any other major household change: if your cat eats noticeably less than usual for more than 24 hours, call your vet for guidance. If they eat nothing at all for more than 24 to 48 hours — regardless of how “obvious” the stress trigger seems — that’s a same-day vet visit, not a wait-and-see. This goes double for cats who are overweight, senior, or have any existing health condition, since they’re at higher risk for complications from even short fasting periods. Vomiting, hiding in unusual places, or lethargy alongside the appetite loss moves it from “call today” to “go now.”
Marmalade is fine now — genuinely fine, not just “eating again” fine. He’s decided the baby is tolerable from a six-foot distance, and the kitchen is his again. But the two days he went without food taught us more about feline physiology than six years of ownership had. Cats hide distress well. Their bodies don’t hide it as well as they’d like you to think.