Medical Complications of Eating Disorders: Heart, Bones, and Metabolism
Author: Angela Bogdanova · Published: October 10, 2026 · Editorial Policy
Research cluster: Eating Disorders & Disordered Eating · Written by Artificial Sapiens
Eating disorders can affect virtually every organ system. Restriction, inadequate dietary variety, repeated vomiting, other compensatory behaviors, and sustained disturbances in eating can influence the heart, circulation, bones, hormones, kidneys, gastrointestinal tract, teeth, and brain. Some effects develop gradually; others become dangerous within hours or days. Medical assessment therefore belongs alongside psychological evaluation and treatment. National Institute of Mental Health and the American Psychiatric Association's 2023 practice guideline emphasize the seriousness of these conditions and the importance of coordinated medical, nutritional, and psychiatric care.
Physical risk follows a person's nutritional state, rate and duration of change, compensatory behaviors, underlying illnesses, age, and current symptoms. A person's appearance or a single body mass index (BMI) reading cannot establish medical safety. An adolescent whose growth has stalled, an adult with substantial recent weight loss who remains in a higher weight range, and someone who purges at a stable weight can all develop significant complications. The Society for Adolescent Health and Medicine (SAHM) explicitly recognizes severe medical complications in atypical anorexia nervosa and avoidant/restrictive food intake disorder (ARFID).
This article examines how complications arise, the findings clinicians look for, what recovery can reverse, and which changes require immediate medical attention. For an overview of diagnoses and behavioral patterns, see Eating Disorders: Types, Symptoms, Causes, and Treatment. For the separate decision about urgent evaluation, see When Is an Eating Disorder a Medical Emergency? Warning Signs.
What Makes an Eating Disorder Medically Dangerous?
The body's organs depend on adequate energy, protein, essential fats, micronutrients, fluid, and carefully regulated electrolytes. Persistent undernutrition can reduce muscle and organ mass, alter the electrical and mechanical functions of the heart, suppress reproductive hormones, weaken bones, and slow digestion. Vomiting and other purging behaviors can disrupt fluid volume and blood chemistry even when overall food intake or weight appears unchanged. Restricted food variety can produce specific deficiencies without a visibly low body weight.
The mechanisms are interconnected. A low-energy state alters hormonal signaling and circulation; electrolyte imbalance can increase cardiac vulnerability; dehydration can stress the kidneys; and reduced gastrointestinal motility can make eating physically uncomfortable, prolonging avoidance. Complications also interact with other medical conditions and medications. The American Academy of Pediatrics (AAP) clinical report describes disturbances across cardiovascular, gastrointestinal, endocrine, renal, neurological, hematological, and dental systems.
Clinical severity involves both present instability and cumulative harm. A person may feel relatively well while vital signs, growth trajectories, or laboratory findings raise concern. Conversely, severe dizziness, weakness, chest symptoms, or fainting require assessment even when initial routine blood work is reassuring. Clinical teams evaluate the whole course of illness rather than treating one measurement as a substitute for judgment.
Heart and Circulation: Why the Cardiovascular System Is Vulnerable
Slowed Heart Rate, Low Blood Pressure, and Dizziness
With sustained energy deficiency, resting heart rate may slow (bradycardia) and blood pressure may fall (hypotension). Some slowing reflects a metabolic adaptation, but pronounced bradycardia or hemodynamic instability can signal serious illness. On standing, the body's ability to maintain circulation may be impaired, causing dizziness, visual dimming, weakness, or fainting. Dehydration and decreased circulating blood volume can intensify these changes.
Clinicians consider age, baseline athletic training, symptoms, recent nutritional change, temperature, blood pressure, orthostatic measurements, and electrocardiography (ECG). A low pulse in a medically unstable person with an eating disorder should not automatically be interpreted as athletic fitness. NICE guideline NG69 identifies bradycardia, hypotension, rapid weight loss, electrolyte disturbances, and ECG findings among reasons to consider closer monitoring or hospital-level care.
Heart Muscle, Structure, and Electrical Rhythm
Prolonged malnutrition can reduce cardiac muscle mass and affect heart function. Some patients develop pericardial effusion, a collection of fluid around the heart, or other structural findings. Purging-related disturbances in potassium or magnesium, certain medications, and malnutrition can contribute to rhythm abnormalities. Prolongation of the QTc interval on an ECG is clinically important because it may indicate susceptibility to dangerous arrhythmias, particularly with additional risk factors.
The evidence must be interpreted precisely. A 2026 systematic review of cardiovascular predictors identified only six eligible outcome studies, all concerning anorexia nervosa. Low blood pressure at admission was associated with greater in-hospital mortality risk, while evidence specifically linking individual ECG or pulse findings to serious events was limited or low confidence. These findings support integrated clinical evaluation and further research; they do not establish that a normal pulse or ECG rules out danger.
Vomiting, Electrolytes, and Cardiovascular Risk
Repeated vomiting and other purging behaviors may disrupt potassium, chloride, sodium, magnesium, and acid–base balance. Loss of body fluid can make the heart work under greater circulatory stress. Low potassium (hypokalemia) is particularly important because it can contribute to muscle weakness and arrhythmias. The risk depends on the specific behavior, its frequency, hydration state, renal function, medications, and coexisting medical illness.
The APA practice guideline recommends ECG assessment in restrictive eating disorders, severe purging, and use of drugs known to prolong the QTc interval. The NICE recommendations call for assessment of fluid and electrolyte balance in people believed to be purging. Normal electrolytes at one appointment do not establish that repeated purging is harmless between appointments.
Bones, Growth, and Fracture Risk
How Undernutrition Weakens Bone
Bone is living tissue that continually undergoes formation and resorption. Chronic undernutrition disrupts this balance through changes in reproductive hormones, growth factors, body composition, and nutrient availability. In anorexia nervosa, reduced estrogen or testosterone signaling, lower insulin-like growth factor 1 (IGF-1), and other endocrine changes can impair bone accrual or promote bone loss. Bone mineral density (BMD) may fall, increasing vulnerability to stress fractures and other fractures.
The consequences depend strongly on age. Adolescence and early adulthood are critical periods for acquiring peak bone mass, so prolonged restriction can interfere with skeletal development at a time when bone should be accumulating. Adults may lose previously acquired bone mass. The review by Haines in Journal of Eating Disorders describes the endocrine mechanisms, skeletal effects, and limits of available treatments.
Can Bone Density Recover?
Nutritional rehabilitation and sustained restoration of an appropriate individual weight and energy state are foundational to bone recovery. Menstrual or other hormonal function may improve as adequate nutrition returns, and bone density can increase over time. Recovery can be incomplete, particularly when illness spans essential years of bone development or exposure is prolonged. A patient may show improving weight and other vital signs before bone strength has fully recovered.
Neither a calcium supplement nor a prescribed hormone alone replaces treatment of the underlying eating disorder. Bone-directed medicines or hormone therapy require specialist evaluation of age, reproductive status, fracture history, and individual risks. NICE gives diagnosis- and age-specific recommendations and advises specialist input before hormonal treatment in young people.
When Is a Bone Density Scan Considered?
Dual-energy X-ray absorptiometry (DXA) can help evaluate bone density, but interpretation requires context. In children and adolescents, measurements must account for growth, age, sex-related reference standards, and bone size; an adult diagnostic cutoff cannot simply be transferred to a growing child. NICE suggests considering DXA after one year of underweight in children and young people or after two years in adults, with earlier assessment if bone pain or recurrent fractures occur. Those are guideline considerations, not a waiting period before treating undernutrition. Fracture symptoms deserve care regardless of the length of illness. NICE NG69, bone health recommendations.
Sport, Menstrual Changes, and Skeletal Risk
High activity does not protect bones from sustained low energy availability. People involved in sport may develop bone stress injuries, disrupted reproductive hormones, or impaired recovery if intake cannot meet physiological needs. Menstrual periods may become irregular or stop, though menstrual status alone is neither a complete measure of nutrition nor a universal marker across sexes and hormone treatments. Bone pain, recurrent injuries, fatigue, and performance decline warrant multidisciplinary assessment, including examination of nutrition and exercise patterns.
Metabolism and Endocrine Function
Energy Conservation and Hormonal Adaptation
The term metabolism refers to the body's interconnected processes for obtaining, storing, and using energy. With severe or prolonged restriction, resting energy expenditure and thermoregulation can change. People may feel unusually cold, fatigued, or unable to concentrate. Hormonal patterns can include lower active thyroid hormone (T3), altered cortisol signaling, and changes in leptin, growth hormone, and IGF-1. These changes are often physiological responses to inadequate nutrition; laboratory findings still require interpretation by a clinician who considers other endocrine disorders.
In particular, the low-T3 pattern of starvation generally differs from primary thyroid disease. Automatically treating this pattern with thyroid hormone can be harmful. A clinician determines whether symptoms or results justify investigation for an independent endocrine condition. Haines's 2023 endocrine review explains the physiology and the role of nutritional recovery.
Menstrual, Reproductive, and Sexual Health
Energy deficiency can suppress the hypothalamic–pituitary–gonadal axis. Menstrual cycles may become irregular or stop, and some individuals experience reduced testosterone, libido, or reproductive function. Delayed puberty and disrupted sexual development are important pediatric signs. Menstrual absence is no longer required to diagnose anorexia nervosa, and a person who menstruates can still be medically malnourished. Hormonal contraception can obscure menstrual changes; clinicians therefore use a broader assessment.
Fertility may improve during recovery, but ovulation can occur before regular periods resume. Pregnancy is possible even when menstruation is absent. People planning pregnancy or already pregnant may need coordinated obstetric and eating-disorder care to address maternal nutrition and fetal development. These considerations follow the endocrine review and NICE pregnancy recommendations.
Blood Glucose and Other Metabolic Changes
Severe undernutrition can impair the body's ability to maintain blood glucose, particularly during prolonged fasting or serious illness, and symptomatic hypoglycemia can be an emergency. At the same time, abnormal lipid results or liver enzymes may appear during starvation and nutritional rehabilitation. A cholesterol value in an undernourished patient should be interpreted in context rather than automatically used to prescribe additional food restriction.
Medical risks also vary across eating-disorder presentations. Binge-eating disorder can coexist with diabetes, sleep disturbances, and cardiovascular risk factors, but an associated condition does not prove the eating disorder caused it in a particular person. Many patients have complicated histories of restriction, binge episodes, stigma, and other medical factors. The NIMH overview describes these overlapping health concerns.
Refeeding Syndrome: Why Medical Supervision Matters
During nutritional rehabilitation after significant undernourishment, shifts in insulin activity, intracellular electrolytes, fluid balance, and vitamin needs can create refeeding syndrome. The syndrome may involve dangerous declines in phosphorus, potassium, or magnesium and, in severe cases, organ dysfunction. Risk is assessed using nutritional history, illness severity, laboratory data, comorbidities, and the planned treatment setting; it is not determined by weight alone.
The ASPEN consensus recommendations describe recognition and monitoring of refeeding syndrome, while SAHM's adolescent position paper supports newer, appropriately monitored hospital refeeding approaches for adolescents with anorexia nervosa. These sources address different populations and clinical settings. Nutritional rehabilitation should not be postponed indefinitely because of fear of refeeding complications; clinicians prevent and treat those complications while restoring nutrition. People with substantial undernourishment need an individualized, supervised plan rather than self-directed refeeding protocols.
Kidneys, Fluid Balance, and Electrolytes
The kidneys regulate fluid balance, remove waste, and help maintain electrolyte concentrations and acid–base balance. Dehydration, repeated vomiting, purging, and severe undernutrition may produce acute kidney injury, while prolonged disturbances can contribute to chronic kidney damage. Abnormal sodium can cause neurological symptoms; potassium and magnesium disturbances can affect both muscles and heart rhythm. Phosphorus disturbances may arise during refeeding.
A 2023 comprehensive review of renal and electrolyte complications describes hyponatremia, hypokalemia, acid–base changes, and the possible progression of kidney injury in eating disorders. The clinical significance of an abnormal result depends on severity, the direction and speed of change, symptoms, and overall physiology. Attempts to correct severe electrolyte abnormalities without medical supervision can be dangerous.
Some complications develop without dramatic symptoms at first. Persistent weakness, unusual swelling, marked thirst, significantly reduced urine output, or a history of recurrent dehydration should be discussed promptly with a clinician. Confusion, seizures, severe weakness, fainting, or symptoms suggesting a dangerous rhythm problem require emergency assessment.
Gastrointestinal and Oral Complications
Stomach and Intestinal Symptoms
Inadequate nutrition can slow stomach emptying and intestinal movement, leading to early fullness, abdominal discomfort, bloating, and constipation. These sensations may make eating frightening or uncomfortable during recovery. They are real physiological symptoms and merit compassionate assessment. In most cases the treatment plan must consider both gastrointestinal comfort and the ongoing need for nutritional rehabilitation; severe or persistent symptoms also require evaluation for independent gastrointestinal disease.
Repeated vomiting may cause acid reflux, throat irritation, inflammation of the esophagus, and, rarely, severe injury. Other GI complications can occur in advanced malnutrition. The AAP clinical report reviews gastrointestinal complications and notes that alternative medical explanations, including celiac disease or other organic illness, sometimes need investigation.
Teeth, Salivary Glands, and the Mouth
Repeated exposure to stomach acid can erode tooth enamel, cause tooth sensitivity, and damage oral tissues. Dry mouth, salivary gland swelling, cavities, and gum problems may accompany purging, dehydration, or nutritional deficiency. Dental professionals can help detect and manage injuries, but dental findings alone do not establish an eating disorder diagnosis.
When vomiting has occurred, professional dental and medical review is useful. NICE specifically advises dental care and oral-health measures for people who vomit, including avoiding immediate toothbrushing after vomiting. The primary medical goal remains effective eating-disorder treatment and prevention of further episodes.
Brain, Blood, Immunity, and General Physical Function
Undernutrition may affect attention, processing speed, mood, sleep, and cognitive flexibility. Some cognitive changes improve with nutritional recovery, although the relationship between eating-disorder psychopathology, starvation effects, and coexisting conditions varies. Headaches, dizziness, fainting, and impaired concentration need assessment in context rather than an automatic psychiatric explanation.
Blood tests may reveal anemia, reduced white blood cell counts, or other hematological changes. People can also experience muscle wasting, fatigue, cold intolerance, changes in hair and skin, or impaired healing. The AAP review and NIMH clinical information describe these multisystem features. Importantly, the absence of visible hair, skin, or body-size changes cannot establish normal cardiovascular or nutritional health.
Do Different Eating Disorders Produce Different Complications?
Anorexia Nervosa
Anorexia nervosa can involve significant energy deficiency, cardiovascular slowing, endocrine suppression, impaired bone health, gastrointestinal slowing, and altered blood chemistry. Some individuals also binge or purge, adding fluid and electrolyte risks. Medical treatment evaluates the degree and duration of undernutrition, symptoms, current stability, growth or reproductive development, and behaviors. See Anorexia Nervosa: Symptoms, Diagnosis, and Treatment for the disorder-specific clinical discussion.
Atypical Anorexia Nervosa and Other Restrictive Presentations
Atypical anorexia nervosa is an OSFED presentation in which anorexia-like psychopathology and clinically significant restriction or weight loss occur despite weight remaining within or above a traditionally low range. Serious bradycardia, hypotension, electrolyte disturbance, and other consequences can occur. Severity cannot be ranked from appearance or current BMI alone. The SAHM position paper specifically addresses these risks. The distinct diagnostic and treatment questions are covered in Atypical Anorexia Nervosa: Signs, Medical Risks, and Treatment.
ARFID can cause inadequate energy or nutrient intake, growth problems, and reliance on supplements or feeding support even when body-image disturbance is absent. People with restricted food variety may have vitamin or mineral deficiencies without severe total energy deficiency. The term restrictive eating describes a behavior, while ARFID and atypical anorexia describe specific diagnostic presentations. See Restrictive Eating: Signs, Consequences, and When It Becomes Disordered.
Bulimia Nervosa and Purging Presentations
Bulimia nervosa commonly involves recurrent binge-eating episodes with compensatory behaviors. Electrolyte disturbances, dehydration, enamel erosion, esophageal irritation, and kidney injury may develop, while visible weight change may be absent. Purging disorder can produce similar medical complications without meeting the full criteria for bulimia nervosa. OSFED and UFED require diagnosis-specific clinical assessment; they do not imply mild medical risk. The NICE guideline emphasizes medical assessment for vomiting and other compensatory behaviors.
Binge-Eating Disorder
Binge-eating disorder involves recurrent binge-eating episodes with marked distress and without the regular compensatory behaviors characteristic of bulimia nervosa. It may coexist with gastrointestinal complaints, sleep problems, metabolic disease, or cardiovascular risk factors. These associations should be evaluated without equating an individual's body size with a diagnosis. Treatment addresses the eating disorder and independently assesses diabetes, blood pressure, sleep disorders, or other conditions where clinically appropriate. NIMH.
Pica and Rumination Disorder
Pica involves persistent ingestion of nonfood substances and may cause poisoning, infection, dental injury, or gastrointestinal obstruction depending on what is consumed. Rumination disorder involves recurrent regurgitation of food and can produce nutritional and dental consequences. Both require medical evaluation and attention to developmental and differential diagnoses. These potential complications differ from the starvation-focused problems seen in many restrictive eating disorders. A diagnosis cannot be assigned from an isolated incident or a general description of eating difficulties.
Special Medical Contexts
Children and Adolescents
For a growing person, failure to gain expected weight or height, delayed puberty, and departure from an established growth trajectory can be more revealing than a single cross-sectional weight. Young people may be medically unstable across the weight spectrum. Pediatric assessment therefore combines growth records, pubertal stage, behavioral history, family observations, vital signs, laboratory tests, and, when indicated, ECG or bone assessment. The AAP and SAHM provide age-specific guidance.
Diabetes and Other Coexisting Illnesses
Type 1 diabetes requires particular coordination when an eating disorder affects eating patterns or prescribed insulin use. Changes in insulin management can cause dangerous hyperglycemia and diabetic ketoacidosis. Specialist eating-disorder and diabetes teams should work together, with individualized monitoring and treatment. The NIDDK clinical discussion and NICE emphasize multidisciplinary care in this setting.
Other conditions, such as inflammatory bowel disease, thyroid disorders, medication effects, swallowing difficulties, or chronic infections, can produce weight change, gastrointestinal symptoms, or altered blood tests. They may mimic or coexist with an eating disorder. Appropriate evaluation considers medical and psychiatric explanations together.
Men, Gender-Diverse Patients, and People of Different Body Sizes
Eating disorders and their medical consequences occur across sexes, genders, racial and ethnic groups, and weight categories. Clinical tools, growth histories, and hormone assessments must be interpreted for the individual; assumptions based on appearance or demographic stereotypes can delay treatment. SAHM notes the underrecognition of restrictive disorders in boys and men, while research into some endocrine consequences in gender-diverse populations remains comparatively limited. SAHM; Haines.
How Clinicians Assess Medical Complications
A comprehensive evaluation begins with the history: changes in intake and food variety, duration and speed of weight change, loss of expected growth, episodes of binge eating or purging, hydration, exercise patterns, medications, physical symptoms, medical illnesses, and psychological risks. Clinicians assess vital signs, often including lying and standing measurements, temperature, cardiovascular examination, growth and developmental history, and signs of dehydration or nutritional deficiency. They also assess suicide risk and the need for a specialist eating-disorder evaluation. APA; NICE.
The APA guideline recommends a complete blood count and comprehensive metabolic panel, including electrolytes, kidney function, and liver enzymes, in the evaluation of a possible eating disorder. Clinicians may add magnesium, phosphorus, thyroid or reproductive hormones, pregnancy testing, nutritional markers, or other tests when clinical indications exist. An ECG is recommended in restrictive eating disorders, severe purging, or medication-related QTc risk. DXA and specialist endocrine evaluation may be appropriate for persistent nutritional or reproductive problems. Test selection follows the clinical history, not an automatic universal checklist.
A normal blood count, potassium result, or ECG represents information from a particular moment. It cannot, by itself, exclude severe malnutrition, hidden electrolyte depletion, evolving instability, or an eating disorder diagnosis. Repeat assessment may be necessary as symptoms, behaviors, and nutrition change. For the full psychiatric and diagnostic process, see How Are Eating Disorders Diagnosed? Assessment and Criteria.
What Medical Signs Need Urgent Attention?
Chest pain, significant breathlessness, fainting, seizures, new confusion, marked weakness, evidence of severe dehydration, or symptoms suggesting a dangerous heart rhythm warrant immediate emergency assessment. Severe electrolyte abnormalities, inability to maintain adequate intake, signs of organ failure, and pronounced instability in heart rate, blood pressure, or temperature may require hospital care. A person with diabetes who develops symptoms of diabetic ketoacidosis needs urgent emergency treatment.
Clinical admission decisions account for age, trajectory, physical observations, laboratory and ECG abnormalities, available supervision, and the overall risk picture. NICE specifically advises against using an absolute BMI threshold as the deciding factor for admission. A suspected eating disorder with ongoing physical decline warrants prompt assessment even when none of the most dramatic warning signs is present. Consult When Is an Eating Disorder a Medical Emergency? Warning Signs for a dedicated emergency recognition guide.
Treatment, Monitoring, and Physical Recovery
Treatment addresses the eating disorder and its physical consequences together. A coordinated team may include primary care or adolescent medicine, eating-disorder clinicians, an appropriately trained dietitian, and specialists in cardiology, endocrinology, dentistry, nephrology, or gastroenterology when needed. The setting ranges from outpatient care to intensive programs and hospital stabilization according to medical and psychiatric severity. Medical monitoring continues alongside psychological treatment and nutritional rehabilitation. APA practice guideline.
Recovery often improves cardiovascular adaptation, gastrointestinal motility, temperature regulation, and endocrine function. Some issues require additional treatment, and skeletal consequences may persist longer. Restoration of adequate energy intake is central in restrictive disorders, whereas ending recurrent purging, addressing binge-eating symptoms, and treating specific nutritional deficits are essential when those apply. Plans should be diagnosis-specific and age-appropriate; a medication or psychotherapy supported for one disorder cannot automatically be assumed effective for another.
Medical stability, symptom remission, psychological recovery, and sustained functioning are related outcomes with different time courses. A person's recovery may progress even while bone density or menstrual function continues to need monitoring. Conversely, better laboratory findings do not necessarily indicate that distressing eating behaviors or underlying psychological mechanisms have resolved. The broader treatment evidence is covered in Eating Disorder Treatment: Evidence-Based Therapies and Care.
What the Research Can and Cannot Establish
There is strong clinical consensus that undernutrition and purging can damage multiple organ systems and that physiologic instability requires medical evaluation. Evidence quality differs for more specific questions: the exact probability of an arrhythmia from an individual ECG value, long-term bone outcomes in different populations, optimal monitoring frequency outside specialist settings, or generalizability of findings from anorexia nervosa to every other eating disorder.
The 2026 cardiovascular systematic review is especially informative because it found substantial gaps in predictive studies despite the clinical importance of cardiovascular findings. The 2022 SAHM paper also calls for more inclusive longitudinal research on adolescents of different genders and weights and on atypical anorexia and ARFID. These limitations reinforce the importance of individual clinical assessment rather than overprecise risk claims based on one number or one diagnosis.
Frequently Asked Questions
Can an eating disorder cause heart damage without severe underweight?
Yes. Significant recent restriction, rapid weight change, dehydration, purging-related electrolyte imbalance, and medications can affect cardiovascular health across weight ranges. Current weight or BMI alone cannot establish cardiac safety. SAHM; NICE.
Can eating disorders permanently damage bones?
They can produce long-lasting low bone density and increased fracture vulnerability, particularly when prolonged undernutrition occurs during years of bone development. Nutritional rehabilitation can improve bone outcomes, but recovery may be incomplete; evaluation and follow-up depend on individual circumstances. Haines.
Do normal blood tests mean an eating disorder is medically safe?
No. Routine laboratory results may be normal despite significant nutritional deficiency or cardiovascular adaptation. A clinician combines physical signs, trajectory, behaviors, examination, ECG when indicated, and relevant laboratory studies. APA.
What are the most common electrolyte problems?
Possible disturbances include low potassium, sodium, magnesium, or phosphorus, with patterns differing by purging, dehydration, renal function, and nutritional rehabilitation. Severity and management must be clinically determined. Puckett.
Why can someone feel bloated or constipated during recovery?
Undernutrition can slow gastrointestinal motility, and digestion may take time to adapt as regular nourishment is restored. Persistent, severe, or unusual symptoms warrant medical evaluation to identify other conditions and guide comfortable, effective care. AAP.
Is refeeding syndrome inevitable?
No. It is a recognized potential complication in people with significant undernutrition or other risk factors. Clinical planning and monitoring help prevent or detect dangerous electrolyte and fluid shifts. The safest approach depends on age and clinical condition; nutrition should be restored through qualified care. ASPEN; SAHM.
Can someone with binge-eating disorder have medical complications?
Yes. Some people have gastrointestinal distress or coexisting metabolic, sleep, or cardiovascular conditions. These must be evaluated individually, without assuming a particular diagnosis or health state from body size. NIMH.
Can menstruation be normal while undernutrition is present?
Yes. Menstruation is one piece of clinical information and cannot independently determine nutritional safety. Menstrual status may also be affected by contraception, reproductive conditions, and age. Haines.
When should someone seek help?
Seek an eating-disorder-informed medical assessment when restriction, purging, recurrent binge eating, food avoidance, substantial recent nutritional change, or impaired growth is accompanied by physical or psychological concerns. Chest pain, fainting, seizures, confusion, or other signs of acute instability need emergency care. NICE.
Related Articles
References
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