Symptoms such as dizziness, vomiting and diarrhea ...

I feel some symptoms like: dizziness, vomiting and diarrhea, it appears anytime anywhere and I totally lose control over my body, I have done several exams in the neurological and otorrino part, all the conclusion was normal. Help me! What do I do, which specialist should I look for? I appreciate the help. Cida- Salvador BA