Symptoms of Anorexia Nervosa
Anorexia nervosa causes a wide range of physical, emotional, and behavioral signs and symptoms, which can affect each person differently. Not everyone with anorexia nervosa has all the signs and symptoms, but malnourishment is a common consequence, and nutritional rehabilitation is critical for treatment.
Physical signs and symptoms of malnourishment:
- Extreme weight loss or inability to maintain a healthy weight
- Fatigue or exhaustion
- Dizziness or fainting
- Hair on the head that thins or falls out
- Yellow or blotchy skin covered with soft, downy hair
- Low blood pressure
- Sensitivity to cold and low body temperature
- Digestive disorders, such as upset stomach, constipation, and abdominal pain
- Dry skin and dehydration
- Swelling in hands, arms, legs, or feet
- Tooth decay from induced vomiting
- Dysregulation of appetite (can be very low or very high)
Behaviors that are common in anorexia nervosa:
- Low food intake
- Exercising excessively, even when tired, sick, or injured
- Compensatory behaviors related to food: vomiting or taking laxatives, diuretics (water pills), or diet aids
- Frequently skipping meals
- Eating only a few types of foods
- Eating only low-calorie foods
- Not eating high-fat/high-calorie foods
- Not attending events that include food (birthdays, holidays)
- Frequent weighing
- Cooking for others but not eating
Emotional signs and symptoms include:
- Thinking about food or eating
- Thinking about body size or shape
- Listlessness, depression, or flat mood
- Social withdrawal
- Irritability
- Difficulty sleeping
- Reduced interest in sex
- Difficulty concentrating on activities (work, school)
- Reduced interest and enjoyment from previously valued activities
Types of Anorexia Nervosa
Anorexia nervosa has two types:
- Restricting: The person cannot eat enough food to maintain a healthy body weight but does not have either binge-eating or compensatory eating behaviors.
- Binge-eating/purging: In addition to restricting food intake, the person can experience loss-of-control eating episodes in which a lot of food is consumed and/or experience compensatory behaviors after eating (vomiting, excessive exercise, or taking laxatives, diuretics, or enemas).
Complications From Anorexia Nervosa
As an eating disorder, anorexia nervosa can significantly interfere with a person’s daily activities, relationships, and life in general. The disorder can also lead to many physical and mental health problems – or even death.
Physical complications of anorexia nervosa include:
- Malnutrition (lack of vitamins, minerals, protein, and other nutrients)
- Imbalance of electrolytes (minerals such as sodium, calcium, and potassium) in the blood
- Anemia (low red blood cell count)
- Heart conditions, such as irregular heartbeats (arrhythmia), heart valve disease, or heart failure
- Loss of muscle
- Loss of bone mass, which can increase the risk of osteoporosis and fractures
- Organ damage due to severe malnourishment
- Seizures due to dehydration
- Thyroid disease
Anorexia nervosa can lead to emotional and mental health issues such as:
- Mood disorders, such as depression or bipolar disorder
- Anxiety disorders, including generalized anxiety disorder, obsessive-compulsive disorder (OCD), and post-traumatic stress disorder (PTSD)
- Personality disorders such as borderline personality disorder
- Alcohol or substance dependence or abuse
- Self-injury and suicidal thoughts or attempts