Why Does My Cat Twitch His Whiskers. There are several possible causes for facial twitching the most common being * in some cats tis is completely normal and nothing to worry about * dental pain can cause twitching in the side of the face the pain is located * low potassium ( common in older cats as a result of declined kidney function * seizure activity( focal seizures)if you can test the glucoses levels at. In addition, cats may twitch to communicate with each other.

Younger cats and kittens also tend to twitch more than older cats. You might occasionally notice that one of your cat’s whiskers is missing. I read up a bit, and it says that's just their way of declaring ownership with scent glands and such.