Substance Use & Behavioural Addictions —
Expert Psychiatric Assessment

Comprehensive medico-legal assessment of substance use disorders and behavioural addictions. Our specialist psychiatrists provide CPR Part 35 compliant expert witness reports for solicitors across all areas of legal practice.

DSM-5 & ICD-11 Frameworks Dependence & Risk Assessment CPR Part 35 Compliant Dual Diagnosis Expertise

Substance Use & Behavioural Addictions in Medico-Legal Practice

Substance use disorders and behavioural addictions are frequently relevant in medico-legal work, particularly where questions arise about risk, impairment, capacity, reliability, causation and prognosis. Presentations may involve alcohol, illicit drugs, prescription medication dependence, or non-substance behavioural addictions such as gambling and gaming. These conditions often coexist with mood, anxiety and trauma-related disorders, making structured assessment essential.

In legal proceedings, experts may be asked to address intoxication and withdrawal effects, relapse risk, treatment history, functional impairment, and the interaction between addiction and comorbid mental illness (“dual diagnosis”). It is also important to distinguish dependence from harmful use, and to evaluate whether symptoms reflect a primary addiction disorder, a response to stress/trauma, or secondary use related to pain management.

Psychiatry Experts provides specialist assessment across the full spectrum of substance-related and addictive disorders, offering clear, court-ready opinions supported by records review, structured history, and evidence-based clinical reasoning.

Conditions in This Category

Alcohol Use Disorder

DSM-5 303.90 | ICD-11 6C40

A pattern of problematic alcohol use leading to clinically significant impairment or distress, with features such as tolerance, withdrawal, loss of control and continued use despite harm. Medico-legal assessment often addresses relapse risk, functional impairment, safeguarding, and the impact of intoxication/withdrawal on behaviour and decision-making.

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Our Assessment Approach

How We Assess

  • Comprehensive clinical interview (60–180 minutes)
  • Substance/addiction history: onset, pattern, escalation and consequences
  • Intoxication and withdrawal effects (including risk and behaviour)
  • Records review: GP, hospital, toxicology, treatment services and legal documents
  • Risk assessment: relapse risk, safeguarding, self-harm and violence where relevant
  • Dual diagnosis formulation (primary vs substance-induced symptoms)
  • Functional impact: work, relationships, finances, daily living
  • CPR Part 35 compliant expert report

Expert Selection

  • Addiction Psychiatrist Alcohol/drug dependence, prescription medication dependence, relapse risk
  • Adult General Psychiatrist Complex presentations, comorbidity, functional impact and prognosis
  • Forensic Psychiatrist Criminal proceedings, risk assessment, offending context
  • Clinical Psychologist Behavioural addictions, formulation, therapy suitability and relapse prevention
  • Dual Diagnosis Specialist Integrated formulation and recommendations for co-occurring disorders

Why Instruct Psychiatry Experts?

Specialist Addiction Expertise

Clear severity grading, relapse risk opinion, and court-ready recommendations.

CVs & Quotes in 1 Hour

Rapid response to instruction enquiries with expert CVs and fee estimates.

Urgent Reports (1–4 Days)

Expedited turnaround for court deadlines and urgent cases.

Risk & Capacity Clarity

Structured analysis of impairment, decision-making and safeguarding risk.

Nationwide & Remote

Face-to-face appointments across the UK plus remote assessments where suitable.

CPR Part 35 Compliant

Court-ready reports prepared by experienced medico-legal experts.

Frequently Asked Questions

Instruct a Substance Use & Addictions Expert Today

CVs and quotes in 1 hour. Urgent reports in 1–4 days. Experienced clinicians with dual diagnosis expertise.