16 year healthy male, diagnosed a week ago with a sinus infection, was running low grade temperature, put on antibotics, name uncertain. His behavior has changed dramatically. His speech is slurred. When asking him a question, his response is cat dog . He is sleepy, pale. He states, he feels as if he as amnesia, complains of extreme tiredness. He was taken to emergency room, all tests, drug screens were negative. He was not presenting symptoms at time he was being triaged. He appears fine at times, then has an episode described above. But he is again presently symptoms again tonight. He has been caught running naked inside/outside home. Tonight he stated, he murdered 2 people in a warehouse, that he is involved in a gang. He is a straight A student, polite, helpful, involved. Family very concerned.