What a Shared Dual Diagnosis Care Plan Should Contain

A shared dual diagnosis care plan should explain how mental health and substance use concerns will be assessed and treated together. It should identify the person’s priorities, current risks, treatment goals, responsible professionals, and review arrangements. Its value is practical: the patient and clinicians can use it to understand what happens next and avoid conflicting assumptions when several services are involved.

The plan does not need to predict every outcome or pretend that all diagnoses are final. It does need to show what is known, what remains uncertain, and who will act on each concern. A long document is not necessarily a useful one. An understandable current plan with clear responsibilities is more valuable than several detailed reports that never connect.

Begin with the person’s own priorities

Record what the person wants help with in their own terms. This might include staying safe, reducing substance-related harm, treating depression, improving sleep, returning to study, or repairing a daily routine. Clinical goals and personal priorities may overlap, but they should not be assumed identical. Ask which changes would make the greatest difference now.

Also identify what makes care difficult to use. Transport, work schedules, caregiving, language, cost, disability, or previous experiences with services can affect participation. These are not incidental details. If the plan depends on appointments the person cannot attend, the clinical recommendations may never become actual treatment.

SAMHSA’s guidance on treatment models for co-occurring disorders emphasizes coordinated care that considers the whole person. A shared plan translates that principle into decisions. It should show how the service will respond to the individual’s circumstances rather than merely list the available therapies or reproduce a standard program schedule.

State the working clinical picture and its limits

List the conditions that have been assessed and the evidence or history relevant to current care. Distinguish confirmed diagnoses, provisional explanations, and symptoms requiring further evaluation. The patient should understand those distinctions. A working diagnosis can guide care while remaining open to review as the symptom course becomes clearer.

Include the relationship between mental health symptoms, substance use, medication changes, and physical health where relevant. Do not force every symptom into one explanation. If several possibilities remain, record how they will be investigated and when the team will revisit them. The plan should support active follow-up rather than indefinite uncertainty without care.

Our integrated assessment guide explains the information that can support this section. Ask the clinician to describe the current formulation in ordinary language. If you cannot explain why the proposed treatment follows from the assessment, request clarification before the plan becomes a list of instructions without context.

Identify urgent risks and the response route

The plan should distinguish immediate safety concerns from routine follow-up questions. Ask which symptoms or situations require emergency help, which require prompt contact with the treating team, and which can wait for a scheduled review. Include the actual contact routes and what happens outside normal office hours.

If there is immediate danger of self-harm, severe confusion, a seizure, serious breathing difficulty, suspected overdose, or another medical emergency, contact emergency services. A written plan should not encourage waiting for a preferred clinician in a crisis. It should make the appropriate response easier to recognize and use.

For non-emergency concerns, identify who receives the first call. If a symptom could relate to substance use, medication, or mental health, the patient should not have to diagnose its cause before choosing a service. A named coordinator can help route the concern and ensure that relevant professionals are informed.

Assign responsibility to people or teams, not to vague categories

Write down the clinician or service responsible for each part of care. Avoid entries such as psychiatry follow-up without an accepted referral or contact. Specify who arranges appointments, who checks whether they occurred, and what happens if a service cannot accept the person. A recommendation and a completed handoff are different stages.

If multiple professionals prescribe or provide therapy, ask how they will communicate. The plan should describe an actual process, such as agreed updates or case reviews, with appropriate consent. It should not rely entirely on the patient carrying different instructions between services and hoping that they are compatible.

Keep the medication section current and understandable

Record the medicine’s purpose and current instructions, including what has changed and who made the decision. Include prescribed and nonprescribed products relevant to care. Ask a qualified professional to resolve differences between the record and actual use. Do not combine competing instructions or stop medication independently to make the plan simpler.

The Care Quality Commission’s medicines reconciliation guidance describes checking current use, comparing records, resolving discrepancies, and documenting changes. These principles are useful when care moves between settings. The medication section should also identify who supplies and prescribes next, especially when a hospital or residential stay ends.

Our medication review guide offers preparation questions. Ask what happens if an appointment is delayed or a medicine becomes unavailable. Continuity arrangements should be discussed before a predictable interruption turns into an urgent problem. A supply of tablets is not a substitute for an accepted prescribing handoff.

Describe treatment in terms of what will happen

For each intervention, record what it targets, who delivers it, the expected format, and how progress will be reviewed. A therapy name alone may not explain the work. Ask how the proposed intervention addresses the assessed condition and how it connects to other parts of care. The patient should understand the purpose of each appointment.

Include the sequence when one task must precede another. If stabilization is needed before a particular therapy, state why, what support continues meanwhile, and when readiness will be reviewed. A sequence should not become an open-ended barrier to all care for the second condition. The rationale and next decision need to remain visible.

NIMH’s co-occurring disorders guidance supports considering mental health and substance use together. In a shared plan, this means neither concern disappears because the other has become more urgent or administratively convenient. Priorities can change, but the team should record the reason and preserve follow-up for unresolved needs.

Agree how supporters participate

Ask the person who they want involved and in what role. A partner, friend, family member, or other supporter may help with transport, reminders, or an agreed treatment discussion. Record the communication preferences and ask the service to explain its consent process. Do not assume that a financial contributor automatically receives the full clinical record.

Supporters need realistic tasks and clear limits. They should not be assigned medication decisions, diagnosis, or sole responsibility for a crisis. If the plan depends on someone being available overnight or providing accommodation, confirm that they have agreed and can do so. The written plan should reflect real capacity rather than optimism.

If the person prefers limited involvement, discuss alternative ways to meet necessary support needs. Privacy and safe care both require attention. A clinician can help identify what information is needed for each practical role without circulating sensitive details more widely than appropriate.

Choose a small set of meaningful review measures

Ask which outcomes will show whether the plan is helping. These may include symptoms, substance use, safety, daily functioning, and participation in treatment. Measures should fit the actual goals. Counting appointments is not the same as establishing benefit, and a single symptom score cannot describe the entire course.

Include the person’s experience of what is useful or difficult. A plan may be clinically appropriate but poorly timed, too complicated, or inaccessible. Those barriers should lead to a review rather than an automatic judgment that the person lacks motivation. Record what will change and who will make the adjustment.

Set a review date and a trigger for earlier reassessment. A new medication, a return to substance use, worsening symptoms, or a change in living circumstances may require an earlier discussion. The plan should explain how updates are shared so that everyone works from the current version rather than an outdated discharge document.

Test the plan before relying on it

Ask the team to walk through a realistic situation, such as a missed appointment or a new symptom after a medication change. Who receives the call, what information do they need, and how are other clinicians informed? If no one can answer, that is a gap to resolve while the team is available.

Before leaving, keep an accessible copy and know how to request a correction. A shared care plan should be usable by the person it concerns. Its success is visible when responsibilities are clear, treatment remains connected, and a change in needs leads to a coordinated response rather than another round of disconnected referrals.

Sources and further reading

• SAMHSA TIP 42, Chapter 7: Treatment Models and Settings for People With Co-Occurring Disorders
• Care Quality Commission: Medicines reconciliation
• National Institute of Mental Health: Finding Help for Co-Occurring Substance Use and Mental Disorders