The clearest wins for family therapy come where the family is not a backdrop to the problem but a genuine resource for solving it: a parent who can help a starving teenager eat, or a household that can lower the tension that drives relapse.
Family therapy is used across a wide range of problems, but its evidence is strongest in a few specific areas. It is a leading treatment for adolescent anorexia through family-based treatment, has robust support for conduct problems and youth offending through functional family therapy and multisystemic therapy, and reliably reduces relapse in schizophrenia through family psychoeducation. It is also applied to substance use, childhood and adolescent depression, couple difficulties, and the strains of separation and blended families, often as part of wider care.
Adolescent eating disorders
This is where family therapy has arguably made its greatest mark. Family-based treatment, developed at the Maudsley Hospital in London and manualised by James Lock and Daniel Le Grange, turns the usual logic of eating-disorder treatment on its head. Rather than separating the young person from a supposedly harmful family, it enlists the parents as the child's best allies against the illness.
In the early phase, parents take temporary charge of their child's eating, working together to restore weight in the face of the anorexia's resistance. As the young person recovers, control over eating is handed back, and later work addresses normal adolescent development. A defining feature is its stance on blame: the model states explicitly that families do not cause anorexia, and it treats the illness, not the family, as the enemy. For many adolescents this approach now stands among the first-line recommendations.
Behaviour problems and youth offending
When a young person's behaviour is out of control, whether that means conduct disorder, delinquency, or offending, family and systemic models are among the best-evidenced responses. Two manualised approaches stand out.
Functional family therapy
A structured programme that works on family communication, relationships, and problem-solving, moving from engaging a resistant family through changing behaviour to helping it stick. It has a substantial evidence base for reducing youth antisocial behaviour and reoffending.
Multisystemic therapy
An intensive, home-based intervention for young people with serious behaviour problems that works across every system around them: family, school, and peer group. Therapists carry small caseloads and are available around the clock during treatment.
Family therapy for drug problems
Family-based programmes for adolescent substance use engage parents and the wider system rather than treating the young person alone, and they feature among the better-supported approaches for this age group.
Child and adolescent depression
Systemic family therapy is used for depression in young people, sometimes as an alternative or complement to individual therapy, working on family conflict, communication, and support that can maintain or relieve low mood.
What these share is a refusal to treat a troubled young person as a problem to be fixed in isolation. Behaviour is embedded in family and community, and these programmes intervene at that level.
Serious mental illness and relapse
One of the most durable findings in family therapy concerns schizophrenia and related conditions. Researchers observed decades ago that people recovering from a psychotic episode were more likely to relapse when they returned to households marked by high levels of criticism, hostility, or emotional over-involvement, a pattern captured by the concept of expressed emotion.
Family psychoeducation grew from this insight. It gives relatives clear information about the condition, builds communication and problem-solving skills, and helps lower the emotional temperature at home. Added to medication and standard care, this approach has good evidence for reducing relapse and readmission, and it treats family carers as partners deserving of support rather than as a cause of the illness.
Couples, separation, and changing families
Systemic thinking extends naturally to adult relationships. Couple therapy, which shares many roots with family therapy, works on the patterns of interaction between partners: the cycles of pursuit and withdrawal, criticism and defence, that keep conflict alive. Here the couple, rather than either individual, is the unit of treatment.
Family therapists also help households through transition and loss: parents navigating separation and divorce, the delicate task of forming a blended or step-family, and families reorganising after bereavement or serious illness. In these settings the goal is less to treat a disorder than to help people renegotiate roles, boundaries, and relationships that a major change has thrown into question, and to shield children from being caught in the middle.
A common misunderstanding
Because family therapy is so often used with young people, some assume it has little to offer once problems become severe or clinical.
Family therapy is only for minor communication problems, not real disorders.
Some of family therapy's strongest evidence is in serious clinical conditions: life-threatening anorexia, psychotic illness, and persistent offending. In these areas it is not a soft alternative to real treatment but a first-line, manualised intervention delivered alongside medical care. The family is treated as a powerful resource for recovery precisely when the stakes are highest.
How to read this list
This range of uses does not mean family therapy works equally well for all of them. The strength of evidence varies a great deal from problem to problem.
Match the claim to the condition. Family therapy has strong, specific evidence for adolescent anorexia, youth conduct problems, and schizophrenia relapse. For depression, couple difficulties, and family transitions it is a reasonable and often helpful option, but the evidence is thinner and the effects less clear-cut. When you read that family therapy works, it is always worth asking, for which problem, in which form, and how well. The effectiveness page takes this apart in detail.
Where to go next
Having seen what family therapy is used for, the remaining pages weigh how well it works and what the research shows.
Sources
- Lock J, Le Grange D. Treatment Manual for Anorexia Nervosa: A Family-Based Approach. 2nd ed. Guilford Press. 2013.
- Pharoah F, Mari J, Rathbone J, Wong W. Family intervention for schizophrenia. Cochrane Database of Systematic Reviews. 2010;12:CD000088.
- Carr A. The evidence base for family therapy and systemic interventions for child-focused problems. Journal of Family Therapy. 2019;41(2):153-213.
This page is educational and is not medical advice. It does not diagnose any condition or replace treatment. If you are seeking help for any of the problems described, speak with a qualified professional about the right treatment for your situation.