If left untreated, it can be challenging for people experiencing psychotic disorder to take good care, and they might self harm themselves, or could cause other illnesses to go untreated.  This question can be answered with different perspectives. Sometimes it is considered to be a myth to call someone with psychotic disorder dangerous. However, some points of view suggest that it depends upon the level of illness of a psychotic patient whether he/she is dangerous or not.  If the symptoms are well managed and the patiently shows improvement then they shouldn't be called psycho or dangerous as calling them names might trigger some feelings resulting in psychotic episodes worsening the condition of the patient. However, sometimes a psychotic disorder becomes incurable and makes it hard to manage the symptoms, in these cases the patient must be dealt with extra care and being and being cautious becomes necessary around them.