there are a huge number of possibilities. ideally you should be admitted to a hospital The evaluation needs to be extensive The workup needs to include cns, cvs, rs, and even blood profiles. The differential is quite extensive. i will just mention some impotant possibilities this may be a case of seizures. an eeg and mri brain may help this may be a tia. a detailed history and mri dw may help anemia, altered electrolytes, and hypoglycemia may cause the same symptoms. even fluid deficiency can cause similar problems. Best of luck Please let us know more details of other symptoms, and the tests if any Dr Mittal