Can You Have an Eating Disorder Without Being Underweight?

The short answer is YES.

It's one of the most damaging misconceptions in how we think about eating disorders. The image most of us have in our heads is the stereotype of a visibly emaciated person, often a white, teenage girl. This is not representative of those people actually living with an eating disorder. The truth is that most people with eating disorders are not underweight, and many are never underweight at any point of their eating disorder.

This misconception doesn't just live in the general public's imagination. It shapes who gets believed, who gets screened, who gets diagnosed, and who gets treatment. It can cost people years of unnecessary suffering and struggle, being disregarded or believing they do not have a problem until it is too late.

Where This Misconception Comes From

For decades, eating disorder diagnoses and public awareness were built almost entirely around anorexia nervosa, specifically around low body weight as the defining visual marker of the illness. Media portrayals reinforced this further, almost always depicting eating disorders through extremely thin bodies.

This has resulted in drastic misconceptions that thin equals sick, "normal" or higher weight equals fine. Eating disorders are mental illnesses defined by thoughts, behaviours, and their impact on health and functioning, NOT by a number on the scale. Weight is one possible indicator, not the diagnosis itself.

The Reality: Eating Disorders Happen at Every Body Size

Restrictive eating disorders, bulimia, binge eating disorder, and other feeding and eating disorders all occur across the full range of body sizes. Someone can be severely restricting their intake, purging multiple times a day, or caught in a cycle of bingeing and compensating all while their weight sits in a ‘normal’ or higher BMI range.

In fact, atypical anorexia where someone meets all the psychological and behavioural criteria for anorexia but isn't underweight by clinical standards is now understood to be at least as common as "typical" anorexia, and research suggests the medical complications can be just as severe.

Why the Lack of Support at "Healthy" Weights Is So Harmful

When someone at an average or higher weight seeks help for disordered eating, they often encounter:

Disbelief.

Friends, family, or even healthcare providers may assume that because someone "doesn't look sick," they can't really have an eating disorder.

Delayed diagnosis.

Screening tools and clinical thresholds have historically relied heavily on weight and BMI, meaning people at higher weights can slip through without being flagged, sometimes for years.

Praise for disordered behaviours.

Restrictive eating or rapid weight loss in a higher-weight person is frequently complimented rather than questioned, which can actively reinforce the eating disorder.

Weight-focused rather than health-focused care.

Some people report being told to lose more weight by providers, even while displaying clear signs of an eating disorder, the opposite of what they actually need.

This combination means people at "healthy" or higher weights often have to become significantly more unwell, or develop very visible medical complications, before anyone takes their eating disorder seriously. That delay can impede on both physical health and to the development of the eating disorder cognitions becomes by the time treatment starts.

Why Weight Doesn't Tell the Whole Medical Story

Body weight says very little about what's actually happening inside someone's body. Two of the most dangerous elements of eating disorders, purging and rapid weight change can be just as medically serious in someone at a "healthy" weight as in someone who is underweight.

Purging carries the same risks regardless of body size.

Vomiting, laxative misuse, and diuretic misuse can all cause electrolyte imbalances, heart rhythm problems, and other serious medical complications and the body doesn't check someone's weight before responding to these behaviours. A person at any weight who is purging is taking on real cardiac and metabolic risk.

Rapid weight loss is a red flag on its own, independent of the number on the scale.

A fast rate of weight loss regardless of the total amount, or where someone starts and ends up puts significant strain on the body and can signal a level of restriction or compensatory behaviour that needs medical attention, even if the resulting weight looks "normal" or even high by clinical standards.

Malnutrition can exist at any weight.

It's entirely possible to be under-nourished, low in essential vitamins and minerals, and physically compromised while at an average or higher body weight, especially where intake has dropped sharply or become highly restrictive.

The danger is in the behaviours, not the number on the scale.

What This Means for Getting Help

If you've been told by others or by your own inner voice that you're "not sick enough" to need support, please hear this: the presence of an eating disorder is not measured by your weight. It's measured by your relationship with food, the behaviours you're engaging in, and the toll they're taking on your body and mind.

You do not need to be underweight to deserve care, to be taken seriously, or to be struggling with something genuinely dangerous. If you want to learn more before taking the next step, checkout our blog post on the 15 Early Warning Signs. If any of this resonates with you a professional assessment and not the scale is the right next step.

If you recognise yourself in this post and have felt dismissed because of your weight, please know that support is available and you deserve to be taken seriously. Contact us below to schedule an assessment.