Inpatient and outpatient rehab both treat addiction, and both can lead to lasting recovery. The difference is not about how badly you or your loved one wants to change. It comes down to clinical need and the shape of daily life. Someone with a severe withdrawal risk or an unstable home may need the structure of residential care. Someone with steady support and work or family duties may do well in outpatient treatment. The right level of care fits your situation, not your resolve.