{"knowledge_schema": {"broad_category": "Psychiatry \u2192 Substance Use and Mental Health Disorders", "refinement": "This case involves a patient with a complex history of PTSD, bipolar disorder, and substance use disorders, currently using cannabis and struggling with insomnia.", "specific_scope": "The focus is on immediate treatment options to address the patient's cannabis use, insomnia, and overall psychiatric management.", "goal": "Prioritize treatment options that will effectively address the patient's current challenges while considering his psychiatric and substance use history."}, "summary": "In this case, the patient presents with multiple psychiatric disorders and substance use issues, particularly cannabis use, which he believes helps with anxiety. The goal is to prioritize treatment options that address his cannabis use, insomnia, and overall mental health management. The best approach includes counseling the patient on stopping cannabis use, ordering a urine drug test to assess current substance use, and prescribing melatonin to help with insomnia. This combination addresses immediate concerns while considering the patient's complex history."}