Eating disorders affect millions of people worldwide, crossing all ages, genders, and backgrounds. These are serious mental and physical health conditions that require professional care and deep understanding. To provide effective treatment, mental health professionals and medical providers must first understand exactly what they are dealing with. In this blog, we will explore the various kinds of eating disorders, their symptoms, and the critical importance of seeking targeted help.
At the Eating Disorders Education Institute (EDEI), we are dedicated to improving care. We offer certification programs, comprehensive courses, and live practicum experiences to help advance the treatment of these conditions. By working closely with clinical experts, we provide top-tier education for counselors, social workers, educators, healthcare providers, and advocates.
What Are the Kinds of Eating Disorders? An Overview
When professionals evaluate patients, they look for specific physical, emotional, and behavioral patterns. The diagnostic criteria help categorize the patient’s symptoms into specific kinds of eating disorders. This precise categorization allows providers to create effective, individualized treatment plans. Below, we break down different kinds of eating disorders recognized by medical and mental health professionals today.
Anorexia Nervosa
Anorexia Nervosa is characterized by extreme food restriction and an intense fear of gaining weight.1 People with this condition often have a distorted body image, viewing themselves as overweight even when they are dangerously underweight.
The symptoms of Anorexia Nervosa span across physical, emotional, and behavioral categories. Individuals may experience:2
- Severe weight loss
- Thinning hair
- Fatigue
- Infertility
- Restricted food intake
- Compulsive exercising
- Brittle nails
- Mood changes
- Depression
Even with these clearcut symptoms, atypical anorexia nervosa often goes unnoticed or is dismissed as a non-problematic issue.3 This may be due to societal pressures and stereotypes surrounding body image, leading to the normalization of extreme dieting and weight loss behaviors.
The health risks associated with Anorexia Nervosa are severe and life-threatening. Chronic food restriction can lead to heart failure, bone density loss (osteoporosis), muscle wasting, and severe dehydration, which often results in kidney failure.
Bulimia Nervosa
Bulimia Nervosa involves a cycle of binge eating followed by compensatory behaviors, commonly referred to as purging.4 During a binge, individuals consume large amounts of food and feel a total lack of control. To prevent weight gain, they then engage in behaviors like self-induced vomiting, excessive exercise, or the misuse of laxatives.
Symptoms can include frequent trips to the bathroom immediately after meals, chronic sore throat, swollen salivary glands, and worn tooth enamel from stomach acid. Emotionally, those suffering from Bulimia often experience intense feelings of guilt and shame.
The health complications of Bulimia Nervosa are incredibly serious. Severe electrolyte imbalances can lead to heart arrhythmias and even heart attacks.5 Gastrointestinal problems, chronic acid reflux, and severe dehydration are also common among those struggling with this condition.
Binge Eating Disorder
Binge Eating Disorder (BED) is one of the most common eating disorders. It involves recurrent episodes of eating large quantities of food, often very quickly and to the point of discomfort.6 Unlike Bulimia, BED does not involve regular compensatory behaviors like purging or excessive exercise.
People with Binge Eating Disorder often eat in secret due to feelings of embarrassment. They may eat when they are not physically hungry and experience profound distress, disgust, or guilt after a binge.
The health risks associated with BED are closely linked to clinical obesity. These include high blood pressure, high cholesterol levels, heart disease, Type 2 diabetes, and gallbladder disease.
Other Specified or Unspecified Feeding or Eating Disorders
Other Specified Feeding or Eating Disorders (OSFED) is a category for eating disorders that cause significant distress but do not meet the strict diagnostic criteria for Anorexia, Bulimia, or BED. This does not mean OSFED is any less serious.
Examples of OSFED include:7
- Atypical Anorexia Nervosa: The individual meets all criteria for Anorexia Nervosa, but their weight remains within or above the normal range.
- Purging Disorder: The person uses purging behaviors to influence weight or shape, but without binge eating.
- Night Eating Syndrome: This involves recurrent episodes of night eating, waking from sleep to eat, or eating excessively after the evening meal.
In addition to OSFED, unspecified feeding or eating disorder (UFED) is another category used to classify individuals who do not meet the criteria for any specific eating disorder, but still exhibit disordered eating behaviors and may experience significant distress related to food, weight, or shape. UFED is often used as a placeholder diagnosis until more specific symptoms emerge over time, which could lead to a formal diagnosis of an eating disorder.8
Avoidant/Restrictive Food Intake Disorder (ARFID)
Avoidant/Restrictive Food Intake Disorder (ARFID) involves a lack of interest in eating or an avoidance of specific foods based on their sensory characteristics, such as texture, smell, or color.9 It can also stem from a conditioned negative response associated with food, like a fear of choking or vomiting.
Unlike Anorexia Nervosa, ARFID is not driven by distress about body shape or size. Symptoms can include sudden weight loss, a failure to meet expected growth trajectories in children, and nutritional deficiencies.
Advancing Your Career in Treating Eating Disorders
Understanding the different kinds of eating disorders is the first step in providing life-saving care. From the severe restriction of Anorexia Nervosa to the sensory aversions of ARFID, each disorder requires a nuanced and informed approach to treatment.
If you are a health professional, educator, even an advocate looking to deepen your expertise, we invite you to explore the programs at the Eating Disorders Education Institute (EDEI). Our EDEI-EDP certification program is designed to equip you with the advanced skills and clinical knowledge necessary to effectively treat eating disorders, enhance your practice, and improve patient outcomes with compassionate care.
Frequently Asked Questions
What causes eating disorders to develop?
Eating disorders are complex conditions caused by a combination of genetic, biological, behavioral, psychological, and social factors. Genetics can play a role, making some individuals more susceptible. Psychological factors, such as perfectionism, anxiety, or depression, are often present. Additionally, societal pressures regarding body image and weight can trigger or exacerbate these conditions.
Are eating disorders only a problem for young women?
No, while eating disorders are frequently diagnosed in young women, they affect people of all genders, ages, races, and socioeconomic backgrounds. Men and boys represent a significant portion of those diagnosed with eating disorders, though they are often underdiagnosed due to enduring stigmas. Eating disorders can also develop later in life.
How do I know if someone I love has an eating disorder?
Warning signs vary depending on the specific eating disorder, but common red flags include drastic changes in weight, an obsession with calories or dieting, withdrawing from social activities (especially those involving food), frequent trips to the bathroom after meals, and evidence of binge eating. If you notice these behaviors, it’s important to approach the person with compassion and encourage them to seek professional help.
Can someone fully recover from an eating disorder?
Yes, while eating disorders are often chronic in nature, full recovery from eating disorders is entirely possible. Recovery requires a dedicated team of professionals, including medical doctors, therapists, and dietitians. Treatment often involves individual therapy, nutritional counseling, and medical monitoring. Support from family and friends also plays a crucial role in the recovery journey.
Why is specialized training important for treating eating disorders?
Eating disorders are medically and psychologically complex. Standard mental health training often does not cover the nuances of these conditions. Specialized training ensures that providers understand the physical health risks, the psychological mechanisms at play, and the most effective, evidence-based treatment modalities.
References
- Moore, C. A., & Bokor, B. R. (2023). Anorexia nervosa. National Library of Medicine; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK459148/
- Anorexia Nervosa. (2019). John Hopkins Medicine. https://www.hopkinsmedicine.org/health/conditions-and-diseases/eating-disorders/anorexia-nervosa
- Rabea Parpia, Spettigue, W., & Norris, M. L. (2023). Approach to anorexia nervosa and atypical anorexia nervosa in adolescents. Canadian Family Physician, 69(6), 387–391. https://doi.org/10.46747/cfp.6906387
- Jain, A., & Yilanli, M. (2023, July 31). Bulimia Nervosa. PubMed; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK562178/
- Puckett, L. (2023). Renal and electrolyte complications in eating disorders: a comprehensive review. Journal of Eating Disorders, 11(1). https://doi.org/10.1186/s40337-023-00751-w
- Giel, K. E., Bulik, C. M., Fernandez-Aranda, F., Hay, P., Keski-Rahkonen, A., Schag, K., Schmidt, U., & Zipfel, S. (2022). Binge Eating Disorder. Nature Reviews Disease Primers, 8(1). https://doi.org/10.1038/s41572-022-00344-y
- Balasundaram, P., & Santhanam, P. (2023). Eating Disorders. National Library of Medicine; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK567717/
- Jenkins, Z. M., Mancuso, S. G., Phillipou, A., & Castle, D. J. (2021). What is OSFED? The predicament of classifying “other” eating disorders. BJPsych Open, 7(5). https://doi.org/10.1192/bjo.2021.985
- Avoidant/Restrictive Food Intake Disorder. (n.d.). Www.nationwidechildrens.org. https://www.nationwidechildrens.org/conditions/avoidant-restrictive-food-intake-disorder