Eating Disorders and Depression: How Mood, Nutrition, and Eating-Disorder Symptoms Can Interact
Depression and eating disorders commonly occur together, but the relationship is not always easy to separate. Depression may begin before an eating disorder, emerge as eating-disorder symptoms become more severe, or continue as a distinct condition during recovery. At the same time, appetite changes, fatigue, sleep disturbances, social withdrawal, guilt, shame, and low self-worth can occur in depression, in eating disorders, or in both.
This overlap can make a simple diagnosis label less informative than understanding the pattern over time. Integrated treatment considers when depressive symptoms began, whether they are tied mainly to food, weight, or body image, how they change with nutritional stability, and whether a separate condition such as major depressive disorder needs direct treatment alongside the eating disorder.
- Depression is a common form of psychiatric comorbidity in people with eating disorders.
- Depression and eating-disorder symptoms can influence one another in both directions, but the relationship is not identical across symptoms or people.
- Appetite changes, weight changes, fatigue, irritability, sleep disturbances, social withdrawal, guilt, shame, and low self-esteem can overlap across depression, eating disorders, and malnutrition.
- Integrated treatment addresses medical and nutritional stability, eating-disorder behaviors, depressive symptoms, psychiatric safety, and recovery within one coordinated plan.
On this page: jump to a section
- How depression and eating disorders are connected
- Why depression and eating-disorder symptoms can be hard to separate
- How depression can affect eating-disorder symptoms and recovery
- How eating-disorder symptoms can deepen depression
- What integrated assessment and treatment address
- How Empowered treats eating disorders and depression together
- Frequently asked questions
How Are Depression and Eating Disorders Connected?
Depression Is Common Across Eating-Disorder Diagnoses
Depression is one of the most common co-occurring mental health conditions seen with eating disorders. In nationally representative U.S. data, 39.1% of adults with anorexia nervosa, 50.1% with bulimia nervosa, and 32.3% with binge eating disorder had a lifetime history of major depressive disorder. Broader mood-disorder comorbidity was also common across all three diagnoses. (Hudson et al., 2007)
A rapid review of 202 studies likewise identified mood disorders among the most frequent psychiatric conditions occurring alongside eating disorders. These patterns do not mean every period of low mood represents major depressive disorder, but they show why depression should be assessed directly rather than treated as an incidental concern. (Hambleton et al., 2022)
Eating disorders and depression can occur across the lifespan, including in children, teenagers, and adults. Longitudinal research in adolescents is especially useful for understanding how depressive symptoms and eating-disorder symptoms may begin influencing each other before adulthood. Empowered Treatment provides treatment for adults.
The Relationship Can Move in Both Directions
Depression is not simply an emotional consequence of having an eating disorder, and eating disorders are not always secondary to depression. Longitudinal research supports relationships in both directions.
In a study of 1,393 early adolescents, depressive symptoms predicted later shape and weight dissatisfaction, shape and weight overvaluation, preoccupation with shape or weight, preoccupation with food, dietary restraint, and binge eating. In the reverse direction, shape and weight dissatisfaction and binge eating predicted later depressive symptoms. The findings are important because the relationship was bidirectional without being symmetrical: different symptoms appeared to influence one another in different ways. (Kenny et al., 2022)
Other longitudinal adolescent research has similarly found depression to predict later eating concerns, reinforcing the value of early intervention when either set of symptoms begins to appear. (Puccio et al., 2017)
Shared Risk Does Not Mean One Condition Causes the Other
Eating disorders and depression can share risk factors without one diagnosis being the single cause of the other. A genetic predisposition may contribute to vulnerability, and family history can reflect both genetic and environmental influences. Research has also identified shared genetic factors among anorexia nervosa, major depressive disorder, and suicide attempts, although genetic vulnerability does not determine that any one person will develop these conditions. (Thornton et al., 2016)
Other influences may include anxiety, low self-esteem, trauma, bullying, abuse, stressful life events, family factors, societal pressure, cultural and social expectations about appearance, and other co-occurring mental health conditions. These factors can interact differently across people and across stages of illness. (Keski-Rahkonen, 2024)
Our page on eating disorders and co-occurring conditions explains why the same symptom can arise from different or overlapping clinical processes. Our page on eating disorders and trauma explores trauma-related pathways in greater depth.
Why Are Depression and Eating-Disorder Symptoms Sometimes Hard to Separate?
Depression and eating disorders can produce some of the same visible changes. Appetite, weight, sleep, energy, concentration, social activity, and self-evaluation may all change. The overlap is clinically important because the same symptom can point toward different treatment needs.
Swipe the table to see all 3 columns →
| What may look similar | How depression may contribute | How an eating disorder or nutritional instability may contribute |
|---|---|---|
| Appetite and food intake | Appetite changes, loss of interest, low motivation, or difficulty organizing meals | Restrictive eating, fasting, fear of weight gain, rigid food rules, binge-restrict patterns, or malnutrition |
| Weight change | Weight loss or weight gain associated with changes in appetite, activity, routine, or medication | Intentional restriction, binge eating, purging, laxatives, excessive exercise, or other eating-disorder behaviors |
| Fatigue, sleep, and irritability | Fatigue, sleep disturbances, irritability, slowed activity, or reduced concentration | Inadequate nutrition, irregular eating, medical instability, sleep disruption, or the physical effects of eating-disorder symptoms |
| Social withdrawal | Loss of interest, low energy, hopelessness, or feeling disconnected from other people | Secrecy, meal avoidance, shame, negative body image, fear of eating socially, or loss of recovery structure |
| Guilt, shame, and low self-worth | Global guilt, worthlessness, low self-esteem, or a negative view of the future | Guilt after eating, shame about binge eating or purging, body image distress, or self-worth becoming tied to weight or eating |
| Mood changes and motivation | Depressed mood, irritability, loss of pleasure, or what a person describes as mood swings, along with difficulty initiating everyday tasks | Emotional effects of restriction, binge eating, purging, medical stress, body dissatisfaction, or repeated cycles of eating-disorder behavior |
The table is not a diagnostic test. A person may have depression, an eating disorder, both, or another medical or mental health condition that produces similar symptoms.
Timing, Context, and Persistence Help Clarify the Picture
Three questions can make the overlap more clinically useful:
- Timing: Did the depressive symptoms begin before the eating disorder, after symptoms intensified, or during a period of nutritional instability?
- Context: Is low self-worth global, or is it concentrated around weight, body image, eating, or perceived failure to follow food rules? Does appetite loss reflect low interest and energy, or active fear and avoidance?
- Persistence: Which symptoms improve as eating becomes more regular and medical stability improves, and which remain persistent enough to suggest a separate depressive disorder?
Research in adolescents and young adults with restrictive eating disorders illustrates why this distinction should not be oversimplified. In one study, the degree of malnutrition was not significantly associated with depression severity, while a longer duration of eating-disorder symptoms was associated with higher depression scores. Nutritional restoration may improve some overlapping symptoms, but depression should not automatically be explained away as a consequence of low weight or malnutrition. (Lin et al., 2021)
How Can Depression Affect Eating-Disorder Symptoms and Recovery?
Low Energy Can Make Recovery Tasks Harder to Sustain
Major depressive disorder can involve fatigue, loss of interest or pleasure, reduced motivation, slowed thinking, sleep disturbances, concentration problems, and hopelessness. In eating-disorder recovery, those symptoms can make ordinary treatment tasks more difficult: planning food, preparing meals, attending appointments, eating on schedule, reaching out for support, or following through with a treatment plan.
This is different from assuming that a person is “not motivated” for recovery. Depression can reduce the energy and expectancy that make sustained behavior change possible. Treatment may need to reduce the amount of organization a person has to generate alone while helping them rebuild routines gradually.
Guilt, Shame, and Low Self-Worth Can Become Intertwined
Depression may involve persistent guilt, low self-esteem, and low self-worth. Eating disorders can also organize self-evaluation around body shape, weight, perceived control, or eating behavior. When these patterns overlap, a setback with food or body image may become evidence for a much broader depressive belief such as “I fail at everything” or “nothing will get better.”
Negative body image can also contribute to social withdrawal, comparison, and avoidance. Treatment needs to distinguish eating-disorder-specific beliefs from the broader negative self-evaluation associated with depression while addressing both when they reinforce each other.
Binge Eating, Purging, and Negative Affect Do Not Follow One Simple Pattern
Binge eating is often discussed as a response to difficult emotion, but newer real-world research suggests the relationship is more complicated than a simple “feel bad, binge, feel better” cycle. A 2025 meta-analysis of ecological momentary assessment studies found that emotional distress reliably worsened before binge eating. Emotional patterns after binge episodes were mixed, with some analyses showing continued deterioration and others showing slight improvement over time. (Borm et al., 2025)
This supports emotional distress as one important trigger for binge eating without implying that every binge regulates depression or that every episode has the same function. Purging, excessive exercise, fasting, or other coping behaviors can also occur in the context of guilt, shame, anxiety, or attempts to regain a sense of control. Assessment should identify the actual pattern rather than assigning the same emotional explanation to every behavior.
Social Withdrawal Can Remove Recovery Structure
Depression and eating disorders can both narrow a person’s life. Social withdrawal may reduce shared meals, accountability, relationships, pleasurable activity, and contact with people who notice when symptoms are worsening. Avoiding social eating because of body image or food concerns can further intensify isolation.
Rebuilding recovery may therefore involve more than stopping an eating-disorder behavior. It may also mean restoring daily structure, connection, meaningful activity, and support while depression is treated directly. Depression can complicate recovery, but comorbidity does not determine prognosis. Prognosis depends on the full clinical picture, including medical and nutritional stability, safety, illness duration, treatment access, co-occurring conditions, and available support.
Can Eating-Disorder Symptoms Deepen Depression?
Yes, eating-disorder symptoms can create conditions that may worsen or sustain depressive symptoms for some people. Restrictive eating, fasting, binge eating, purging, laxative misuse, and excessive exercise can disrupt nutrition, sleep, energy, concentration, and daily routines. Severe or prolonged eating-disorder symptoms can contribute to malnutrition, electrolyte imbalances, and organ damage, increasing physical and emotional burden.
Eating disorders can also intensify shame, guilt, low self-worth, negative body image, isolation, conflict, and loss of valued activities. A person may become increasingly disconnected from relationships, work, school, recreation, or other parts of life that previously provided structure and reinforcement.
At the same time, clinicians should not assume that depression will disappear once eating improves. In restrictive eating disorders, nutritional rehabilitation is a direct treatment priority, but persistent depressive symptoms may still represent major depressive disorder or another co-occurring condition requiring its own treatment. (Lin et al., 2021)
What Do Integrated Assessment and Treatment Address?
Treating depression and an eating disorder together begins with a complete assessment rather than assuming that every appetite, weight, mood, or energy change belongs to one diagnosis. The American Psychiatric Association recommends an individualized eating-disorder treatment plan that includes psychiatric, medical, nutritional, behavioral, and psychosocial assessment. (American Psychiatric Association, 2023)
Medical and Nutritional Stabilization
Eating-disorder treatment remains a direct priority when depression is present. Nutritional stabilization may include medical assessment, laboratory testing, regular eating, medical monitoring, nutrition counseling, meal support, and ongoing work with a registered dietitian.
Medical assessment is especially important when restrictive eating, vomiting, laxatives, fasting, or excessive exercise may be contributing to dehydration, electrolyte imbalances, cardiovascular concerns, weakness, or other complications. A person’s medical and nutritional status can affect which treatment options are safe and how quickly care should proceed.
Nutrition support does not need to wait until depression has resolved. Likewise, depression treatment does not need to wait until every eating-disorder symptom has disappeared.
Psychotherapy and Behavioral Treatment
Psychotherapy may address both eating-disorder and depressive processes while keeping the treatment targets clear. Individual therapy can focus on eating-disorder beliefs and behaviors, depressive thinking, guilt, shame, low self-worth, body image, avoidance, social withdrawal, emotion regulation, and the routines that support recovery.
Depending on the clinical formulation, treatment may include cognitive-behavioral strategies, behavioral activation, dialectical behavior therapy skills, experiential therapies, supported eating, group treatment, family support, and other interventions. The goal is not to use one technique for every person, but to match treatment to what is maintaining the eating disorder and depression now.
Psychiatric Care and Antidepressant Medications
Psychiatric assessment can clarify whether a person meets criteria for major depressive disorder, whether antidepressant medications are appropriate, and how medication decisions interact with the eating-disorder diagnosis, current nutrition, medical status, other medications, and safety concerns.
Medication evidence is not the same across eating disorders. The American Psychiatric Association recommends a serotonin reuptake inhibitor, such as fluoxetine, together with eating-disorder-focused cognitive behavioral therapy for adults with bulimia nervosa. That does not mean fluoxetine is automatically the right medication for every person with bulimia or depression. (American Psychiatric Association, 2023)
For underweight patients with anorexia nervosa and major depressive disorder, a recent systematic review found the evidence for pharmacological treatment of depression to be scarce and inconclusive. This is another reason medication decisions should be individualized and coordinated with nutritional and medical care rather than treated as a substitute for eating-disorder treatment. (Besjes et al., 2026)
Safety, Self-Injury, and Suicide Risk
Depression and eating disorders both require direct attention to safety. Assessment should ask about suicidal thoughts, suicide attempts, self-injury, hopelessness, impulsivity, access to means, substance use disorders, and other factors that may change immediate risk. Borderline personality disorder, trauma, anxiety, or other co-occurring mental health conditions may also affect the safety plan and treatment approach.
A 2023 meta-analysis found high rates of non-suicidal self-injury, suicidal ideation, and suicide attempts across eating-disorder populations. More recent population data also found that depressive-disorder comorbidity was associated with increased suicide risk among people with eating disorders. (Amiri & Khan, 2023; Chen et al., 2025)
Active suicidal intent, a recent suicide attempt, escalating self-injury, severe medical instability, or inability to maintain safety may require emergency evaluation or a more intensive level of care than an outpatient, IOP, or PHP setting can provide.
Level of Care and Continuity
Treatment intensity should be based on the full medical, nutritional, psychiatric, behavioral, and functional picture. Care may range from standard outpatient treatment to an intensive outpatient program, partial hospitalization program, residential treatment, medical hospitalization, or another specialty setting. Learn more about how clinicians determine the appropriate level of care.
Early intervention can help reduce the amount of time both conditions have to become entrenched, but treatment is still worthwhile when symptoms have been present for years. Continued care may include psychiatry, outpatient therapy, a registered dietitian, community resources, or support groups as a person steps down from more structured treatment.
How Does Empowered Treat Eating Disorders and Depression Together?
Empowered Treatment offers adult eating-disorder partial hospitalization and intensive outpatient programs for people whose recovery may involve depression alongside eating-disorder symptoms, nutritional concerns, trauma, anxiety, substance use, or other mental health needs.
Our integrated approach keeps eating-disorder treatment central while assessing how depressive symptoms may be affecting appetite, energy, motivation, body image, shame, social connection, safety, and the person’s ability to participate in recovery. Treatment is individualized rather than assuming that depression is simply caused by the eating disorder or that eating-disorder behaviors are simply symptoms of depression.
Depending on the person’s needs, care may include:
- Medical assessment, laboratory testing, medical monitoring, and psychiatric support
- Dietitian care, nutrition counseling, regular eating, and supported meals with a registered dietitian
- Individual therapy and group eating-disorder treatment
- Cognitive-behavioral, dialectical behavior, behavioral activation, and experiential approaches when clinically appropriate
- Medication evaluation and management for depression or other co-occurring conditions
- Trauma-integrated care when relevant; learn more about eating disorders and trauma
- Family support, community support, continued-care planning, and connection with outside support groups when appropriate
Our team works with each client to determine what needs attention now, which concerns can be addressed together, and whether adult partial hospitalization or adult intensive outpatient treatment provides the appropriate level of structure and support.
Taking the next step can feel difficult when depression has reduced energy or hope, but sometimes a single step is enough to get started. Contact Empowered Treatment to discuss what you are experiencing and whether our adult PHP or IOP may be appropriate.
Frequently Asked Questions
Can Depression Cause an Eating Disorder?
Depression can increase vulnerability to eating-disorder symptoms for some people, but it is not a universal or single cause. Longitudinal research shows that depressive symptoms can precede later dietary restraint, binge eating, and shape- or weight-related concerns, while some eating-disorder symptoms can also predict later depression. Eating disorders develop through interacting biological, psychological, social, and environmental influences. (Kenny et al., 2022)
Can Not Eating Make Depression Worse?
Restrictive eating and malnutrition can contribute to fatigue, sleep problems, irritability, concentration changes, physical weakness, and social withdrawal, all of which can overlap with or complicate depression. Some mood symptoms may improve with nutritional stabilization, but depression should not automatically be assumed to disappear with weight restoration or regular eating. Persistent depressive symptoms may require direct psychiatric and psychological treatment. (Lin et al., 2021)
How Do I Know Whether Low Appetite Is Depression or an Eating Disorder?
Low appetite can occur with depression, but reduced food intake can also reflect fear of weight gain, negative body image, rigid food rules, sensory concerns, gastrointestinal symptoms, or another eating-disorder process. Assessment looks at timing, context, intent, weight and body concerns, eating-disorder behaviors, medical status, and whether appetite changes occur as part of a broader depressive syndrome.
Can Antidepressants Be Used When Someone Has an Eating Disorder?
Sometimes. Antidepressant medications may be appropriate when major depressive disorder or another indication is present, but the choice depends on the eating-disorder diagnosis, medical and nutritional status, current behaviors, safety, and other medications. Fluoxetine also has specific evidence and guideline support in bulimia nervosa. Evidence for pharmacological treatment of depression in underweight anorexia nervosa remains limited, so medication decisions should be individualized. (American Psychiatric Association, 2023; Besjes et al., 2026)
Can Eating Disorders and Depression Be Treated at the Same Time?
Often, yes. Integrated treatment can address medical safety, nutrition, eating-disorder symptoms, depression, psychiatric risk, and daily functioning within one coordinated plan. Some priorities may require more immediate attention than others, but a person does not necessarily need to complete eating-disorder treatment before depression is addressed or eliminate depression before eating-disorder recovery can begin.
References
- American Psychiatric Association. (2023). The American Psychiatric Association practice guideline for the treatment of patients with eating disorders (4th ed.). American Psychiatric Association Publishing. https://doi.org/10.1176/appi.books.9780890424865
- Amiri, S., & Khan, M. A. (2023). Prevalence of non-suicidal self-injury, suicidal ideation, suicide attempts, suicide mortality in eating disorders: A systematic review and meta-analysis. Eating Disorders, 31(5), 487–525. https://doi.org/10.1080/10640266.2023.2196492
- Besjes, M. J., Mares, S. H. W., van Elburg, A. A., & Spijker, J. (2026). The efficacy of pharmacological treatment of depression in anorexia nervosa and underweight patients: A systematic review. European Eating Disorders Review, 34(1), 55–70. https://doi.org/10.1002/erv.70008
- Borm, I. M., Hartmann, S., Barnow, S., & Pruessner, L. (2025). Binge eating as emotion regulation? A meta-analysis of ecological momentary assessment studies. Clinical Psychology Review, 121, 102625. https://doi.org/10.1016/j.cpr.2025.102625
- Chen, L.-C., Bai, Y.-M., Tsai, S.-J., Cheng, C.-M., & Chen, M.-H. (2025). Eating disorders, psychiatric comorbidities, and suicide. Journal of Affective Disorders, 382, 290–295. https://doi.org/10.1016/j.jad.2025.04.090
- Hambleton, A., Pepin, G., Le, A., Maloney, D., National Eating Disorder Research Consortium, Touyz, S., & Maguire, S. (2022). Psychiatric and medical comorbidities of eating disorders: Findings from a rapid review of the literature. Journal of Eating Disorders, 10, 132. https://doi.org/10.1186/s40337-022-00654-2
- Hudson, J. I., Hiripi, E., Pope, H. G., Jr., & Kessler, R. C. (2007). The prevalence and correlates of eating disorders in the National Comorbidity Survey Replication. Biological Psychiatry, 61(3), 348–358. https://doi.org/10.1016/j.biopsych.2006.03.040
- Kenny, B., Fuller-Tyszkiewicz, M., Moodie, M., Brown, V., & Williams, J. (2022). Bi-directional associations between depressive symptoms and eating disorder symptoms in early adolescence. Body Image, 42, 246–256. https://doi.org/10.1016/j.bodyim.2022.06.012
- Keski-Rahkonen, A. (2024). Eating disorders: Etiology, risk factors, and suggestions for prevention. Current Opinion in Psychiatry, 37(6), 381–387. https://doi.org/10.1097/YCO.0000000000000965
- Lin, J. A., Jhe, G., Vitagliano, J. A., Milliren, C. E., Spigel, R., Woods, E. R., Forman, S. F., & Richmond, T. K. (2021). The association of malnutrition, illness duration, and pre-morbid weight status with anxiety and depression symptoms in adolescents and young adults with restrictive eating disorders: A cross-sectional study. Journal of Eating Disorders, 9, 60. https://doi.org/10.1186/s40337-021-00415-7
- Puccio, F., Fuller-Tyszkiewicz, M., Youssef, G., Mitchell, S., Byrne, M., Allen, N., & Krug, I. (2017). Longitudinal bi-directional effects of disordered eating, depression and anxiety. European Eating Disorders Review, 25(5), 351–358. https://doi.org/10.1002/erv.2525
- Thornton, L. M., Welch, E., Munn-Chernoff, M. A., Lichtenstein, P., & Bulik, C. M. (2016). Anorexia nervosa, major depression, and suicide attempts: Shared genetic factors. Suicide and Life-Threatening Behavior, 46(5), 525–534. https://doi.org/10.1111/sltb.12235
When everything feels heavy, one step is enough.
If low mood, low energy, or eating-disorder symptoms are making recovery feel out of reach, talk with our clinical team about what you are experiencing and whether our adult PHP or IOP is the right level of care.