sentences:  It is common for individuals with drugs use disorder to have other psychological problems.The terms “dual diagnosis” or “co-occurring disorders,” refer to having a mental health and substance use disorder at the same time.According to the British Association for Psychopharmacology (BAP), “symptoms of psychiatric disorders such as depression, anxiety and psychosis are the rule rather than the exception in patients misusing drugs and/or alcohol.”
  
  Individuals who have a comorbid psychological disorder often have a poor prognosis if either disorder is untreated.