Types of eating disorders

Anorexia nervosa and atypical anorexia

Anorexia nervosa is a serious eating disorder that can affect people of any age, gender, race, body size, or background. It is often misunderstood as an illness that only happens when someone is visibly underweight, but many people with anorexia symptoms are not underweight and still need urgent, compassionate care.

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Learn about anorexia symptoms, risks, and support

Anorexia nervosa

What is anorexia nervosa?

Anorexia nervosa is an eating disorder that often involves restriction, fear of weight gain, intense distress around food or body changes, and difficulty recognizing the seriousness of what is happening. Some people also experience compulsive exercise, rigid food rules, body checking, calorie counting, or avoidance of meals and social situations involving food.

Anorexia is not a choice, a phase, a vanity issue, or a diet gone too far. It is a serious mental and physical health condition that deserves treatment.

Someone does not need to look a certain way to be struggling. People with anorexia may live in smaller bodies, larger bodies, changing bodies, or bodies that appear “healthy” to other people.

Atypical anorexia

The word “atypical” can be misleading

Atypical anorexia is often the most typical presentation of anorexia.

Atypical anorexia describes a person who has the symptoms and risks of anorexia nervosa but is not considered medically underweight. The word atypical can make people feel invalidated, overlooked, or “not sick enough.”

In reality, most people with eating disorders are not medically underweight, and research suggests that atypical anorexia may be more common than low-weight anorexia in the general population.

EDAM uses this language because people may see it in medical charts, insurance documents, or treatment settings. But we also recognize that the term can reinforce weight stigma and delay care.

What to look for

Common signs and symptoms of anorexia

Anorexia symptoms can be emotional, behavioral, physical, social, and medical. A person does not need to have every sign listed here to deserve support.

Food + eating

Food restriction or rigidity

  • Skipping meals or eating very small amounts
  • Avoiding foods once considered safe or normal
  • Following strict food rules or rituals
  • Feeling anxious, guilty, or panicked after eating
Body image

Distress about weight or shape

  • Fear of weight gain or body changes
  • Frequent body checking or body avoidance
  • Feeling unable to trust how the body looks or feels
  • Believing life will be better in a smaller body
Movement

Compulsive or rigid exercise

  • Exercising despite injury, illness, or exhaustion
  • Feeling distressed when movement is interrupted
  • Using exercise to compensate for eating
  • Struggling to rest without guilt
Physical signs

Body signals of undernourishment

  • Dizziness, fainting, or feeling weak
  • Feeling cold often
  • Digestive changes, constipation, bloating, or nausea
  • Fatigue, poor sleep, or trouble concentrating
Social signs

Withdrawal or secrecy

  • Avoiding meals with other people
  • Becoming more isolated or irritable
  • Making excuses not to eat
  • Hiding food, behaviors, or distress
Mental health

Preoccupation and fear

  • Constant thoughts about food, calories, or body size
  • Feeling more anxious, depressed, or emotionally numb
  • Perfectionism or fear of doing recovery “wrong”
  • Feeling undeserving of nourishment or care
What anorexia can look like

Anorexia does not always look like people expect

Eating disorders are often missed when a person is not visibly thin, is praised for weight loss, eats in front of others sometimes, has a larger body, plays sports, performs well at school or work, or says they are “just trying to be healthy.”

Someone may still be struggling if they are eating more than they used to, trying to recover, no longer losing weight, or receiving compliments from other people. Recovery is not only about weight. It is also about nourishment, flexibility, medical stability, emotional safety, and freedom from eating disorder behaviors.

If you are wondering whether you are “sick enough” to need help, that question itself can be a sign that support would be appropriate.

Medical seriousness

Health risks can happen at any body size

Anorexia and atypical anorexia can affect the heart, brain, bones, digestion, hormones, mood, and overall functioning. Medical risk is not determined by weight alone.

Medical

Heart and vital sign changes

Restriction and malnutrition can contribute to low heart rate, blood pressure changes, dizziness, fainting, electrolyte abnormalities, and other signs of medical instability.

Body systems

Digestive and hormonal changes

People may experience constipation, bloating, reflux, early fullness, loss of menstrual period, changes in libido, or other signs that the body is adapting to not getting enough.

Mental health

Brain and mood effects

Undernourishment can increase anxiety, depression, irritability, obsessive thoughts, food preoccupation, sleep issues, and difficulty making decisions.

Getting help

Treatment for anorexia often takes a team

Anorexia treatment may include medical monitoring, nutrition counseling, therapy, family or caregiver support, psychiatric care, and a higher level of care when outpatient support is not enough.

The right level of care depends on medical stability, nourishment, eating disorder behaviors, emotional safety, support at home, and how much structure someone needs to move toward recovery.

EDAM’s provider directory can help people in Maine find eating disorder therapists, dietitians, medical providers, treatment programs, and support resources.

Common questions

Anorexia nervosa and atypical anorexia FAQs

These answers are for education only and do not replace medical, mental health, or nutrition care.

Can someone have anorexia if they are not underweight?

Yes. A person can have the thoughts, behaviors, distress, and medical risks of anorexia without being underweight. This is often called atypical anorexia, although the term can be misleading and stigmatizing.

Is atypical anorexia less serious than anorexia nervosa?

No. Atypical anorexia can be medically and emotionally serious. People with atypical anorexia may experience malnutrition, medical instability, intense eating disorder thoughts, and significant impairment, even when their weight does not appear low.

What are early signs of anorexia?

Early signs may include skipping meals, increasing food rules, avoiding social eating, fear of weight gain, body checking, compulsive exercise, irritability, fatigue, dizziness, or becoming more preoccupied with food and body size.

When should someone seek help for anorexia?

It is appropriate to seek help as soon as food, movement, weight, or body image starts interfering with health, relationships, daily life, or emotional safety. You do not need to wait until things feel severe enough.

Where can I find anorexia treatment in Maine?

EDAM’s provider directory includes eating disorder treatment and support resources available to people in Maine, including therapists, dietitians, medical providers, treatment centers, and virtual care options.

Find support in Maine

You do not have to wait until it feels “bad enough.”

Eating disorders often tell people they are not sick enough, not thin enough, not struggling enough, or not deserving enough to ask for help. Support is still available.

EDAM can help you learn about treatment options, find providers, ask better questions, and connect with eating disorder resources in Maine.

Next steps

Start with the provider directory

Browse eating disorder providers and treatment resources throughout Maine, including outpatient care, higher levels of care, and virtual options.

Find treatment
Medical and crisis support

Some symptoms need urgent attention

If you or someone you care about is fainting, experiencing chest pain, struggling to breathe, vomiting frequently, unable to eat or drink, feeling confused, experiencing rapid changes in health, or worried about immediate safety, seek urgent medical or crisis support.

Eating disorder support pages can be helpful, but they do not replace individualized medical care, therapy, nutrition care, or crisis intervention.