Cats are instinctively good at masking discomfort, which is a leftover survival trait. That means the signs worth watching for are often changes in routine rather than anything dramatic.

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What you'll need

Just familiarity with your cat's normal habits, which makes any change easier to notice.

Steps

  1. Watch litter box habits closely

    Straining, frequency changes, or avoiding the box entirely can all point to something worth a vet visit, particularly in male cats where urinary blockages are a genuine emergency.

  2. Notice appetite changes

    Not eating for more than a day, or a sudden increase in appetite alongside weight loss, are both worth flagging rather than waiting out.

  3. Track grooming habits

    A cat that stops grooming looks visibly unkempt, while over-grooming to the point of bald patches can signal stress or a skin issue.

  4. Pay attention to energy and hiding

    A normally social cat suddenly hiding for extended periods, or a noticeable drop in activity, is one of the more reliable early signals.

  5. Check breathing at rest

    Labored or rapid breathing while resting is not normal and warrants prompt veterinary attention.

Frequently asked questions

How quickly should I see a vet if I notice something?

For anything involving breathing difficulty, repeated vomiting, or straining in the litter box, same-day or emergency care is appropriate. For subtler changes, a routine appointment within a few days is usually reasonable.

Can stress alone cause some of these signs?

Yes, stress from a house move, a new pet, or changes in routine can cause appetite or litter box changes on its own. It's still worth ruling out a medical cause first.