 [ Symptoms ] i came down with severe throbbing on my right temple and felt like i was going to faint i got severely sick diarrhea and vomiting with heavy shivering and fever [ Disease ] epilepsy is a relatively common condition affecting 0 5 to 1 of the population in the united states about 2 5 million people have epilepsy about 9 of americans will have at least one seizure during their lives