Eating disorders and co-occurring disorders frequently appear together in women. Depression, anxiety disorders, PTSD, and other mental health conditions can exist alongside anorexia nervosa, bulimia nervosa, binge-eating disorder, and other eating disorders.
When more than one condition is present, effective treatment requires understanding the entire clinical picture rather than assuming that every symptom comes from the eating disorder—or that treating one condition will automatically resolve the others.
The relationship can also work in different directions. A mental health condition may contribute to behaviors surrounding food, eating, or body image. The physical and psychological effects of an eating disorder can worsen existing mental health symptoms. In some women, the conditions develop independently but interact in ways that make recovery more complicated.
At Kinder in the Keys, treatment is individualized for adult women who are medically stable and whose eating-disorder symptoms can be safely managed within our residential mental health setting. Women who require medical stabilization, intensive eating-disorder management, or a higher level of specialized eating-disorder care should be treated in a program equipped to provide that level of care.
Learn more about our approach to eating disorder treatment for women and the level of care available at Kinder in the Keys.
What Are Eating Disorders and Co-Occurring Disorders?
An eating disorder is a mental health condition involving significant disturbances in eating behaviors and related thoughts and emotions.
Common eating disorders include:
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Anorexia nervosa
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Bulimia nervosa
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Binge-eating disorder
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Avoidant/restrictive food intake disorder (ARFID)
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Other specified feeding or eating disorder (OSFED)
A co-occurring disorder is another mental health condition that is present at the same time.
For example, a woman with an eating disorder may also have major depressive disorder, an anxiety disorder, or PTSD.
The National Institute of Mental Health notes that eating disorders frequently occur alongside other mental health conditions, including depression and anxiety disorders.
The presence of multiple diagnoses does not necessarily mean that one caused the other. Instead, clinicians need to determine how the conditions interact and which symptoms require attention during treatment.
Why Co-Occurring Conditions Matter
Treating only one part of a woman’s clinical presentation can leave important problems unaddressed.
Consider a woman who has both depression and an eating disorder.
Improving eating patterns may be important, but persistent depression can continue affecting motivation, sleep, concentration, self-worth, and participation in treatment.
Likewise, treating depression without recognizing significant restrictive eating, bingeing, purging, or other eating-disorder behaviors may overlook a condition requiring its own intervention.
The goal is not simply to collect diagnoses.
It is to understand what is happening, what is maintaining the symptoms, how the conditions affect one another, and what treatment the individual woman needs.
Common Co-Occurring Mental Health Conditions
Eating disorders can occur alongside many different mental health conditions. Some of the more commonly encountered concerns include depression, anxiety disorders, and trauma-related disorders.
Depression and Eating Disorders
Depression and eating disorders frequently occur together.
Depression can involve:
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Persistent sadness or low mood
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Loss of interest or pleasure
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Feelings of hopelessness
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Changes in sleep
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Difficulty concentrating
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Fatigue
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Feelings of worthlessness or excessive guilt
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Changes in appetite or weight
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Suicidal thoughts in some individuals
Some of those symptoms can overlap with consequences of an eating disorder, making careful assessment important.
For example, appetite and weight changes can occur with depression but can also be central features of an eating disorder. Fatigue and concentration difficulties may result from depression, inadequate nutrition, medical complications, or a combination of factors.
Clinicians therefore need to look beyond an individual symptom and evaluate the complete pattern.
Anxiety Disorders and Eating Disorders
Anxiety disorders are also common among people with eating disorders.
A woman may experience generalized anxiety, social anxiety, panic symptoms, obsessive fears, or other forms of persistent anxiety alongside difficulties involving food or eating.
Anxiety can sometimes influence eating behavior.
For example, fear of judgment may make eating around other people difficult for some women. Anxiety surrounding body changes, food, or perceived loss of control can also become intertwined with eating-disorder behaviors.
But anxiety should not automatically be assumed to be the “cause” of an eating disorder.
When both conditions are present, treatment should identify the specific fears, behaviors, avoidance patterns, and beliefs maintaining each problem.
PTSD and Eating Disorders
PTSD can also co-occur with eating disorders.
PTSD is a trauma- and stressor-related disorder, not an anxiety disorder. It can develop following qualifying traumatic exposure and involves a specific pattern of symptoms that can include intrusive memories or nightmares, avoidance, changes in thoughts and mood, and heightened arousal or reactivity.
Some women with both PTSD and an eating disorder may describe eating behaviors as connected to attempts to manage distress, numb difficult emotions, regain a sense of control, or cope with trauma-related symptoms.
Those experiences should be explored individually rather than treated as a universal explanation for why eating disorders develop.
A woman can have PTSD without an eating disorder, an eating disorder without PTSD, or both conditions at the same time.
When both are present, clinicians need to determine how the conditions interact and how treatment should be sequenced safely.
Trauma and Eating Disorders
Trauma itself is not a co-occurring psychiatric diagnosis.
A trauma history is part of a person’s clinical history and may be highly relevant to understanding current symptoms.
Research has found associations between traumatic experiences and eating disorders in some populations, but trauma exposure does not mean that a woman will develop an eating disorder.
Likewise, an eating disorder should not automatically be interpreted as evidence of unresolved trauma.
For women who have experienced trauma, clinicians should assess:
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What happened
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Whether PTSD or another trauma-related condition developed
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Whether eating behaviors are connected to trauma symptoms
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Whether trauma reminders affect eating or body-related behaviors
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Whether trauma treatment is clinically appropriate
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Whether the woman is sufficiently medically and psychologically stable for trauma processing
The relationship between trauma and eating disorders in women can be important, but it needs to be understood individually rather than reduced to a simple cause-and-effect explanation.
Narcissistic Abuse Is Not a Co-Occurring Disorder
Experiences involving emotional abuse, coercive control, manipulation, or a relationship with someone displaying narcissistic traits may have significant psychological effects.
However, “narcissistic abuse” is not a psychiatric diagnosis and should not be listed alongside depression, PTSD, or anxiety disorders as a co-occurring mental health disorder.
A woman’s relationship history may still be clinically important.
For example, a controlling or abusive relationship may affect self-esteem, emotional well-being, anxiety, depression, or trauma-related symptoms. Those effects should be assessed based on the symptoms and diagnoses actually present.
This distinction allows treatment to address what happened to the woman without creating a diagnosis that does not exist.
Eating-Disorder Symptoms Can Affect Mental and Physical Health
Eating disorders are mental health conditions, but they can also produce serious physical consequences.
Depending on the eating disorder and behaviors involved, complications can affect cardiovascular health, gastrointestinal functioning, electrolytes, hormones, bone health, metabolism, and other body systems.
The National Eating Disorders Association provides information about the potentially serious medical complications associated with eating disorders and the importance of appropriate evaluation and treatment.
That is why determining medical stability is so important when deciding the appropriate level of care.
A woman may be psychologically appropriate for residential mental health treatment while simultaneously having eating-disorder symptoms that require a level of medical or nutritional monitoring the program cannot safely provide.
The safest treatment setting is the one equipped to manage the woman’s actual needs.
Assessment of Eating Disorders and Co-Occurring Conditions
Assessment should look at more than food intake or body weight.
A comprehensive evaluation may consider:
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Eating patterns
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Restriction
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Binge-eating behaviors
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Purging or compensatory behaviors
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Body-image concerns
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Weight and nutritional history
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Medical stability
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Current medications
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Depression
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Anxiety
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PTSD and trauma history
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Obsessive or compulsive symptoms
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Self-harm or suicidal thoughts
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Substance use when present
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Previous treatment
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Current functioning
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Family and social support
Recognizing the early signs of an eating disorder in women can help identify when changes in eating, behavior, mood, or physical health warrant professional assessment.
The purpose is to determine which conditions are present, how severe they are, and which level of care can safely address them.
Treating Eating Disorders and Co-Occurring Disorders
Treatment should be based on the diagnoses and needs of the individual woman.
There is no single therapy that treats every eating disorder and every co-occurring mental health condition.
The American Psychiatric Association’s clinical practice guideline for eating disorders emphasizes individualized assessment and treatment based on the specific eating disorder, medical status, psychiatric symptoms, and treatment needs.
Individual Therapy
Individual therapy allows clinicians to address the woman’s specific symptoms, beliefs, behaviors, relationships, history, and treatment goals.
The therapeutic approach should depend on what is actually being treated.
Cognitive behavioral approaches may be appropriate for certain symptoms or diagnoses, while other evidence-based interventions may be selected according to the clinical presentation.
Group Therapy
Group therapy can provide opportunities to practice skills, recognize patterns, receive feedback, and connect with other women experiencing mental health challenges.
Groups may address emotional regulation, coping, relationships, boundaries, communication, mindfulness, or other treatment goals.
Nutritional Support
When eating-disorder symptoms are present, nutrition needs to be considered as part of the overall treatment picture.
The appropriate level of nutritional intervention depends on the severity and type of eating disorder.
At Kinder in the Keys, nutrition is part of supporting overall physical and mental well-being, but Kinder is not a medical eating-disorder stabilization program.
Women requiring intensive nutritional rehabilitation, specialized refeeding protocols, or higher-acuity eating-disorder medical management need a program equipped to provide those services.
Treating PTSD When an Eating Disorder Is Also Present
When PTSD and an eating disorder occur together, treatment planning requires particular care.
The existence of trauma does not automatically mean trauma processing should begin immediately.
Clinicians need to consider:
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Medical stability
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Current eating-disorder behaviors
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Ability to regulate distress
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Safety
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Severity of PTSD symptoms
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Other psychiatric conditions
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Readiness for trauma-focused work
Evidence-based trauma-focused therapies may be appropriate for PTSD when clinically indicated.
At Kinder in the Keys, EMDR is used only when clinically indicated as part of an individualized treatment plan. It is not automatically provided simply because a woman reports trauma or has an eating disorder.
CBT and DBT: Different Tools for Different Treatment Targets
CBT and DBT are often casually grouped together in mental health content, but they should not be presented as interchangeable treatments for every condition.
Cognitive Behavioral Therapy (CBT) focuses broadly on relationships among thoughts, emotions, and behaviors. Specific CBT-based treatments have evidence for particular mental health conditions and eating disorders.
Dialectical Behavior Therapy (DBT) was originally developed for borderline personality disorder and is particularly useful for difficulties involving emotional regulation, distress tolerance, interpersonal effectiveness, and certain high-risk behaviors.
DBT skills may benefit some women with eating disorders, particularly when emotional dysregulation is contributing to problematic behaviors.
That does not mean DBT is automatically the primary treatment for an eating disorder.
Treatment should target the clinical problem actually present.
When Specialized Eating-Disorder Treatment Is Needed
This distinction is particularly important for women considering Kinder in the Keys.
Kinder provides residential mental health treatment for adult women and can work with medically stable women whose eating-disorder symptoms are appropriate for our level of care.
Our eating disorder treatment program for women explains Kinder’s approach and who may be appropriate for this level of care.
Kinder is not the appropriate setting for every woman with an eating disorder.
A specialized eating-disorder program or medical setting may be necessary when a woman requires:
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Medical stabilization
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Intensive nutritional rehabilitation
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Specialized refeeding
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Close management of significant electrolyte or cardiovascular concerns
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A higher level of eating-disorder medical monitoring
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Other services beyond the capabilities of a residential mental health program
When a woman’s medical or eating-disorder needs exceed Kinder’s level of care, the appropriate response is referral to a program equipped to provide those services.
Safety comes before placement.
Residential Mental Health Treatment at Kinder in the Keys
Kinder in the Keys provides residential mental health treatment for adult women in Key Largo, Florida.
Because women rarely arrive with only one isolated concern, treatment considers the full clinical picture.
A woman may experience depression alongside eating-disorder symptoms. Another may have PTSD and anxiety. Another may struggle with trauma-related symptoms, relationship difficulties, and problematic eating behaviors without meeting criteria for every diagnosis she has encountered online.
Treatment begins with assessment rather than assumptions.
For women who are medically stable and appropriate for Kinder’s level of care, treatment can address co-occurring mental health concerns while supporting healthy nutrition and overall well-being.
Women participate in individual therapy and daily group programming within a small residential environment. Treatment approaches are selected according to each woman’s clinical needs rather than applying the same modality to every diagnosis.
Eating Disorders and Co-Occurring Disorders: Frequently Asked Questions
What does co-occurring disorder mean?
A co-occurring disorder means that more than one mental health condition is present at the same time. For example, a woman may have an eating disorder and major depressive disorder or an eating disorder and PTSD.
Are eating disorders caused by trauma?
Not necessarily. Trauma is associated with eating disorders in some individuals, but trauma exposure does not automatically cause an eating disorder. Many biological, psychological, behavioral, interpersonal, and environmental factors may contribute.
Is PTSD an anxiety disorder?
No. PTSD was historically grouped with anxiety disorders, but it is classified as a trauma- and stressor-related disorder in the DSM-5-TR.
Is narcissistic abuse a co-occurring disorder?
No. Narcissistic abuse is not a psychiatric diagnosis. Experiences of emotional abuse, coercive control, or manipulation can be clinically important and may contribute to symptoms of recognized mental health conditions, but the experience itself is not a co-occurring psychiatric disorder.
Can someone have depression and an eating disorder at the same time?
Yes. Depression commonly co-occurs with eating disorders. When both conditions are present, treatment planning should consider how each condition affects the other.
Can Kinder in the Keys treat women with eating disorders?
Kinder may be appropriate for adult women who are medically stable and whose eating-disorder symptoms can be safely managed within a residential mental health setting.
Women who require medical stabilization, intensive nutritional rehabilitation, specialized refeeding, or a higher level of eating-disorder care should receive treatment in a specialized program equipped for those needs.
Do all women with eating disorders need residential treatment?
No. The appropriate level of care depends on medical status, eating-disorder severity, psychiatric symptoms, safety, previous treatment, and the amount of support required.
Finding the Right Level of Care
When eating disorders and other mental health conditions occur together, successful treatment begins with determining what is actually present and what level of care can safely address it.
A woman should not be placed in a program simply because one diagnosis appears to match.
Medical stability, psychiatric symptoms, eating-disorder behaviors, trauma history, safety, functioning, and previous treatment all matter.
For medically stable adult women whose primary needs are appropriate for residential mental health treatment, Kinder in the Keys provides individualized care in a small, women-only environment in Key Largo, Florida.
When a woman needs a more specialized or medically intensive level of eating-disorder treatment, referral to an appropriate eating-disorder program is the safer choice.
Medically Reviewed By
Dr. Laura Tanzini, DrPH, LMFT
Doctor of Public Health | Specialty in Lifestyle Medicine
Licensed Marriage and Family Therapist (Florida & California)
Founder & CEO, Kinder in the Keys
This article has been clinically reviewed for accuracy and consistency with current evidence-based behavioral health, trauma-informed, and eating-disorder treatment principles. It is intended to provide educational information about eating disorders and co-occurring mental health conditions and does not replace individualized assessment, diagnosis, medical evaluation, or treatment by qualified healthcare professionals.
Medical Disclaimer
This article is for educational and informational purposes only and is not intended to diagnose, treat, cure, or prevent any mental health or eating disorder.
Eating disorders can cause serious medical complications. If you or someone you know is experiencing significant restriction, purging, fainting, chest pain, severe weakness, dehydration, or other concerning physical symptoms, seek medical evaluation promptly. If there is an immediate medical or psychiatric emergency, contact emergency services.