4 Answers

It could be stress related. Did you add a new Pet.? It could also be flea infestation. Check her out.  Another thing could be the food you are giving her. Try to change her food to a more natural diet.

Hi Sandy       There are lots of Answers first it could be Flees related second it could be a allergic reaction third it could be ring worm you must take this cat to deturmen wether it is one of the above and lastly as Ann said it could be stress related reasons for this is 1 have you moved 2 is there another animal that has just come into the house is He/she geting bullied out side or even in the house like small children a new partner!

She might have a vitamin defficiency,also some cats get into fights with other cats and the fur can get pulled out.

Could be mange.