When your loved one agrees to go to rehab — or you’re trying to persuade them to go — one of the most common questions families ask is: what actually happens in there? Understanding the process removes fear, manages expectations, and helps you support the decision.

Before Admission: Assessment

The process typically begins with an assessment — a detailed evaluation of the person’s substance use, physical health, mental health history, and personal circumstances. This determines the level of care needed and shapes the individual treatment plan.

• Medical history and current medications reviewed
• Substance use history assessed — what, how much, how long
• Mental health screening — depression, anxiety, trauma history
• Family and social circumstances considered

Medical Detox

For many substances — particularly alcohol, opioids, and benzodiazepines — medically supervised detox is the first phase. Withdrawal from these substances can be dangerous without medical support. Detox manages physical symptoms safely and prepares the person for the therapeutic work ahead.

Detox alone is not treatment — it is the first step. People who complete detox without further treatment have very high relapse rates. Rehabilitation builds on detox.

A Typical Day in Rehab

Residential rehabilitation programmes are highly structured — intentionally. Structure reduces the chaos that addiction creates and provides a framework for rebuilding daily life.

• Morning: Wake up, breakfast, often a morning meditation or group reflection
• Morning sessions: Group therapy — the core of most programmes
• Individual therapy: One-to-one sessions with a counsellor, typically several times per week
• Afternoon: Educational sessions on addiction, recovery, relapse prevention
• Activities: Exercise, art therapy, occupational therapy, life skills
• Evening: 12-step meetings, reflection time, leisure
• Lights out: Consistent sleep schedules are part of treatment

Types of Therapy Used in Rehab

• Cognitive Behavioural Therapy (CBT) — identifies and changes thought patterns that drive addiction
• Motivational Interviewing — strengthens commitment to change
• Dialectical Behaviour Therapy (DBT) — particularly useful for emotional regulation
• Trauma-informed therapy — addresses underlying trauma that drives substance use
• 12-step facilitation — introduces the AA/NA framework and community
• Family therapy — often available and highly recommended

Family Involvement in Rehab

Good rehabilitation programmes actively involve families. Family therapy sessions, family education programmes, and family visiting days are common. This is your opportunity to learn, to heal relationships, and to prepare for supporting recovery at home.

When family therapy is offered, take it. The research is clear — family involvement significantly improves outcomes.

Aftercare — The Critical Phase

What happens after rehab matters as much as what happens during it. The risk of relapse is highest in the first 90 days after leaving residential treatment. Good programmes include a structured aftercare plan:

• Outpatient therapy continuing after discharge
• Regular attendance at AA/NA or SMART Recovery
• Sober living housing if returning home is not safe or appropriate
• Ongoing medication (MAT) if applicable
• Family support and family therapy

See our guide: How to Help Someone with Addiction →
And for ongoing support: Support Groups for Families →

How to Find a Rehab Programme

• SAMHSA Treatment Locator: findtreatment.gov — searchable by location and type
• SAMHSA Helpline: 1-800-662-4357 — free guidance 24/7
• Your GP or family doctor — can refer to local services (UK)
• Frank (UK): talktofrank.com — free, confidential advice