Wow! Thanks everyone for their wonderful suggestions and advice. This really gives me something to think about and discuss with the vet. I did call her doctor this afternoon and she is going in tomorrow for most of the day. Apparently, they need to gather a sample from her in order to diagnose her if she has a problem. In answer to some of the questions posed :
1. She is a petite kitten and she owns a rather large box for a cat her size.
2. I haven't changed litter brands within the last few weeks. It took me several kinds before I found a brand that handled the odors and the frequency of her bladder.
I tried the scoopable kind, but she liked to play in it rather than go in it! hahahaha! Since then, she was going in a pearly brand. They are round and softer for the pads of her feet.
3. Before i owned her, she was a stray for several months. About 2 weeks into owning her, i found out she was expecting. Unforunately due to her previous situation, she didn't receive the best nutrition and miscarried. She had so much trouble with the birth and I had to rush her to the vet. She recooperated just fine after staying the night at the hospital.
4. Recenlty, I have returned to work (I am a teacher) so, I have been away more than I usually am. She has been acting this way for a little over a week, so I would imagine if she was upset, her "fit" would be over by now or at least calmed down slightly. Since then, I have attempted to give her attention every chance I had. In addition to myself giving her affection, my parents and two brothers also dote on her.
I will be sure to update you on her condition according to the vet as soon as he sees her. Thank you for sending me this information. The pad idea is very creative! I will have to remember that. I put newspaper around her box and double up on it, so it does not soak in to my carpet. I also spray Febreeze around the area of her litter box...and that seems to help some. As a new cat owner, some of her behaviors are a mystery to me! Thank you so much!