Maine Coon sensitive stomach in multi-pet home

A 6-year-old Maine Coon with persistent soft stools in a busy multi-pet household — that's a tricky one, because working out what's causing the issue is harder when there are multiple animals eating in the same space. Digestive sensitivity in cats is usually down to food intolerance rather than true allergy, and limited-ingredient or novel-protein diets tend to work best. To point you in the right direction: how long has the soft stool issue been going on, and what is he currently eating? And is he eating his own food, or does he tend to graze from the others' bowls too?

That dog food detail is really useful — it's actually one of the most common hidden causes of soft stools in cats in mixed households. Cat digestive systems aren't built to handle the different protein ratios and fillers in dog food, and even small regular amounts can disrupt their gut. What breed is the dog, roughly how big, and what food is he on? I want to make sure any changes I suggest work practically for the whole household, not just your Maine Coon.

Perfect, that gives me the full picture. Harringtons is a reasonably straightforward kibble, so it's not dramatically harmful, but the cereal content and protein balance are genuinely wrong for a cat eating it daily over four months — that alone could easily explain the soft stools. The fix here is two-pronged: switch your Maine Coon to a food that's easier on his gut, and feed the animals separately so he can't access the dog's bowl. For the food, I'd go with Royal Canin Sensitivity Control in duck and tapioca — it's a limited-ingredient wet food specifically designed for cats with digestive sensitivity, duck is a novel protein for most cats who've been on standard chicken-based foods, and tapioca is highly digestible with no wheat or soy. It's also a complete food so there's no need to juggle a wet-dry mix. Given his size as a Maine Coon and the four-month history, I'd give it six to eight weeks before judging the results. The separation from the dog's bowl is just as important as the food change — even occasional access will slow progress.

It's safe for all four cats — it's a complete balanced diet, not a prescription or therapeutic food, so there's no reason the others can't eat it too. In practice that actually makes your life easier: one food for all four cats, fed in a separate area from the dog. The only cat I'd flag is if any of yours is significantly overweight or has a different health condition, in which case you'd want specific advice for that cat separately. But for a healthy adult multi-cat household, feeding them all Sensitivity Control while you work through this is a perfectly sound approach.

Gradual is always better with a sensitive stomach — a sudden switch can cause a flare even with a better food. Mix roughly 25% new food with 75% current food for three or four days, then 50/50 for another three days, then 75% new for three days, then fully switched. If at any point the stools get looser rather than firmer, slow down and hold at that stage a bit longer. Once he's fully transitioned and eating separately from the dog, you should start seeing firmer stools within two to three weeks.