Why does my cat lick up all the fur on its belly?

In short, the cat is licking off all his or her hair. Often the belly is nearly as bald as if it were shaved. Sometimes a Mohawk of normal fur makes a stripe down the back, surrounded by bald spots on either sides. Sometimes it is the lower back itself that is bald. Often the owner thinks the hair is falling out. read more

If it is a male cat, it can also be a sign of a urinary tract infection. They get a little"saggy" in that area from extra fluid retention. Make sure they are going to the litter and not crying when they go. read more