Addiction Care · 3 min read · Updated November 13, 2026
Depression and substance use problems can occur together, and both deserve attention. Low mood should not automatically be dismissed as a lack of motivation, nor should every difficult feeling be assumed to be a separate disorder. A qualified assessment can help clarify what is happening and how to coordinate care.
Describe changes in everyday functioning
NIMH: Depression explains that depression can affect sleep, eating, work, thinking, and other daily activities. Tell the clinician what has changed and how long it has been difficult. Examples such as not opening mail, missing meals, or losing interest in activities can be easier to discuss than choosing a diagnostic label. Include whether these changes happened before substance use increased, during periods of use, or after cutting back. The timeline is useful information, not something you must interpret on your own.
Share the full substance and medication picture
Be open about alcohol, drugs, prescribed medicines, nonprescription products, and recent changes. NIMH: Co-Occurring Substance Use and Mental Disorders describes the complex relationship between substance use and mental disorders. The clinician may need to consider several possible explanations and revisit the assessment over time. Do not stop an antidepressant or other prescribed medicine without discussing it with the prescriber. Our co-occurring care guide explains questions about services that address both kinds of needs.
Ask who is responsible for each part of care
A therapist, primary care professional, addiction clinician, and psychiatric prescriber may all be involved. Ask who reviews the overall plan and how information is shared with your permission. If you are referred elsewhere, request a specific contact and a plan for the period before that appointment. Our primary care guide offers a starting point when specialty care is unfamiliar or not immediately available. Coordination should be explained rather than left for you to manage alone.
Make participation achievable
Low energy or difficulty concentrating can make scheduling, forms, and travel harder. Tell the team which tasks are becoming barriers. Ask whether written summaries, appointment reminders, a support person, or a different appointment time would help. Choose small practical steps with the team rather than treating an ambitious daily routine as a test of effort. For example, the first task may be attending an assessment and arranging the next visit, not fixing every part of life at once.
Review symptoms and safety promptly
Ask what changes need an earlier appointment and whom to contact between visits. Report worsening mood, major sleep changes, medication concerns, or a return to use. If there is immediate danger or a medical emergency, call 911. Treatment choices and progress vary, so avoid judging the entire plan from one difficult day. A useful review connects your observations with an adjustment in support and a clear next step.
Sources & further reading
General educational information. This guide is not a substitute for advice from a qualified treatment professional.