Many people are at a loss about what to do to prevent mental health emergencies. What constitutes a mental health emergency? Like any medical emergency, a mental health emergency can pose a threat to someone's life. Most of the time, mental health emergencies involve threats of suicide or actual attempts of suicide on the spot. Other types of mental health emergencies may also include threats to harm another person. In some cases, when a patient is metabolic imbalance or becomes psychotic, and is under the influence of auditory and visual hallucinations, there may be a threat to another person's well - being. %B