It's not unusual, but the cause is unfortunate. If she's 14 years old and you feed her dry food, she probably has bad teeth. Does she have 'cat breath'? When

It's not unusual, but the cause is unfortunate. If she's 14 years old and you feed her dry food, she probably has bad teeth. Does she have 'cat breath'? When they have bad teeth, it's a balance of the pain from hunger vs the pain from eating, and tend to be skinny. It might be time to add some wet food to her diet. Bad teeth aren't a problem for cats in the wild because they live on average 3-5 years, but the majority of house cats will have teeth problems as they get older.