The reasons why a cat suddenly sticks out its tongue and twitches it: 1. It may be due to oral problems causing pain. 2. It may be that the cat has a serious oral problem causing pain. 3. It may be that the cat is in a state of hypoxia and will stick out its tongue and pant.

What to do if a cat suddenly sticks out its tongue and twitches:

1. It may be caused by oral problems that cause pain. A cat that suddenly sticks out its tongue may have a neurological problem. The muscles that control the tongue are loose, and the tongue cannot be fully retracted into its mouth. It is recommended that cat owners take their cats to the pet hospital for treatment in time and not take it lightly.

2. The cat may have serious oral problems causing pain. You can gently stroke the cat's back to soothe the cat's mood and relieve the cat's pain.

3. It may be that the cat is in a state of hypoxia and will stick out its tongue to pant. It is recommended that cat owners ventilate the environment to allow cats to breathe smoothly.