6.Irritability, Grumpiness or Overall Mood Change
This may be a general grumpiness or short-tempered behavior might be displayed as aggression when touched. There are certain areas of the body that are sensitive to most cats, such as the tummy, but you know your cat so you know where you’ve always been allowed to stroke. If there’s a display of aggression or even groaning or
growling when you touch a spot, it could be a sign that he’s hurting there. The signs of potential pain may be far less obvious though; it might be just a general change in mood or personality.
7.Lack of Appetite
This is easier to notice if you feed your cat on a schedule rather than free-feed, but it’s important to pay attention to changes in appetite. This is just one of the reasons I have always recommended scheduled meals. If you have a multicat household, use individual bowls so you can monitor how much each cat gets. If you just put out one big food bowl in a multicat home, you have no way of knowing who is eating and who isn’t until obvious signs of weight loss or gain are physically visible.
8.Change in Posture or Mobility
Is your cat normally active and playful and now you can’t get him interested in chasing his favorite toy? Perhaps he used to love to climb to the top of the cat tree to watch the birds outdoors but you notice he hasn’t been in the tree for a while or it takes him longer to climb there. Those are warning signs of potential pain. A hunched posture is also a typical sign of pain but can easily be missed if you don’t pay attention to how your cat normally stands or walks. Limping is another obvious sign. A sign that isn’t as obvious is shifting of position. The cat may be trying to relieve discomfort when standing or sitting by shifting weight. If reclining, he may switch from one side to the other in an effort to find a position less painful. Reluctance to move at all is also a possible sign of pain.
9.Change in Litter Box Habits
This means any change at all, including an increase or decrease in use. Your cat may make frequent trips to the litter that are or aren’t productive. He may stay in the box for longer than he typically would. You may hear vocalization from him while in the box. Some cats normally do meow while in the box so it’s important to know your cat’s typical routine. You may notice he is meowing more or there’s a change in his tone so it may sound more like a cry. You might notice urine or feces on the carpet or floor where he hasn’t made it in time to the box. While in the box, you may see him appear to be straining to eliminate. He might now be avoiding the box totally. It’s common for cats to associate the box itself with the pain they feel upon elimination attempt.