Editing Substance abuse (section)

===Dual diagnosis===
{{main|Dual diagnosis}}
It is common for individuals with drugs use disorder to have other psychological problems.<ref name=bap>{{cite journal | author1 = Lingford-Hughes A. R. | author2 = Welch S. | author3 = Peters L. | author4 = Nutt D. J. | year = 2012 | title = BAP updated guidelines: evidence-based guidelines for the pharmacological management of substance abuse, harmful use, addiction and comorbidity: recommendations from BAP | journal = Journal of Psychopharmacology | volume = 26 | issue = 7 | pages = 899–952 | doi = 10.1177/0269881112444324 | pmid = 22628390 | s2cid = 30030790 | doi-access = free }}</ref> 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."<ref name = nih>{{cite journal | author = Peterson Ashley L | year = 2013 | title = Integrating Mental Health and Addictions Services to Improve Client Outcomes | journal = Issues in Mental Health Nursing | volume = 34 | issue = 10| pages = 752–756 | pmid = 24066651 | doi=10.3109/01612840.2013.809830| s2cid = 11537206 }}</ref>

Individuals who have a comorbid psychological disorder often have a poor prognosis if either disorder is untreated.<ref name = bap/> Historically most individuals with dual diagnosis either received treatment only for one of their disorders or they did not receive any treatment all. However, since the 1980s, there has been a push towards integrating mental health and addiction treatment. In this method, neither condition is considered primary and both are treated simultaneously by the same provider.<ref name = nih/>