Bell’s Mania, also known as "excited delirium" is characterized by hyperactivity, disruptive and loud behavior, delirium, sweating, increased strength, and boosted body temperature. Patients also experience psychotic symptoms such as visual hallucinations and delusions, especially paranoia or the irrational fear and suspicion that others mean them harm. This condition was first described in the 1800s by Dr. Luther Bell. It was observed that Bell’s mania may be triggered by cocaine, methamphetamine, and other psychostimulants. This is may also co-occur with Bipolar Disorder and Schizophrenia.