What is wrong With my dog?

I agree, it sounds like seizures. Definitely take take her to the vet. There are some medications that they can give you for dogs prone to seizures. I would take her as soon as you can, because seizures can progress and can cause death. I'm sorry, I know that is very sad, but take good care of her and she'll be okay. My dog started having seizures at 8 and lived to be almost 15. Hope that helps and good luck!