ARFID: symptoms, causes and treatment

Key points

• ARFID, or avoidant restrictive food intake disorder, is food avoidance or limited intake that is not driven by concerns about weight or body shape [1][2].
• Three drivers are recognised: the sensory qualities of food, fear of choking or being sick, and low interest in eating [2][5].
• What separates ARFID from picky eating is impact: nutritional problems, reliance on supplements, effects on weight or growth, or interference with daily life [5].
• ARFID often occurs with autism, ADHD and anxiety. In a UK study of children with ARFID, 43.9% were autistic [5].
• NICE guideline NG69 states that it does not cover ARFID, and few UK adult services accept ARFID referrals [4][5].

What ARFID is

ARFID, or avoidant restrictive food intake disorder, is an eating disorder in which a person avoids certain foods, limits how much they eat, or both [1]. The avoidance is not driven by beliefs about weight or body shape, which is what separates ARFID from anorexia nervosa and bulimia nervosa [1][6].

If you need help now. Samaritans: call 116 123, free, 24/7. Shout: text SHOUT to 85258. NHS 111, then choose the mental health option. Call 999 if anyone is in immediate danger. Beat, the UK eating disorder charity, runs a free helpline: 0808 801 0677 in England, 0808 801 0432 in Scotland, 0808 801 0433 in Wales, 0808 801 0434 in Northern Ireland, open 3pm to 8pm Monday to Friday. No diagnosis is needed to use it [3].

ARFID was added to DSM-5 in 2013 and also appears in ICD-11, though the NHS still codes with ICD-10 [5].

A UK study of children aged 5 to 17 found 2.79 new ARFID diagnoses per 100,000 children a year, at a mean age of 11.2 years [5]. International prevalence estimates vary widely because epidemiological studies are scarce and inconsistent [5]. No reliable UK figure exists for adults [5].

Symptoms

Symptoms group into how eating is affected, physical effects and effects on daily life. They may start in childhood or later, sometimes after a frightening experience [2][5].

How eating is affected

• A narrow range of accepted foods, often eaten in the same form each time [2]
• Strong reactions to the taste, texture, smell, appearance or temperature of food [2]
• Difficulty noticing hunger, or eating feeling like a chore [2]
• Anxiety before or during meals, including fear of choking or being sick [2]

Physical effects

• Tiredness and poor concentration [2]
• Nutritional problems, which may show in blood tests [5]
• Effects on weight, on growth in children, or reliance on supplements [5]

Effects on daily life

• Avoiding meals with other people, eating out, school trips or work lunches [2]
• Tension at family mealtimes, or being judged as fussy [5]

ARFID is commonly confused with fussy eating, anorexia nervosa, contamination fears in OCD, and food allergy [5].

Types

ARFID has no formal subtypes. It is described instead by three recognised presentation drivers, and many people have more than one [2][5].

• Sensory based avoidance. Taste, texture, smell, appearance or temperature produce a strong response, and foods that fail on any of these are left. Dry or uniform foods are often easier than mixed textures [2].
• Fear of an aversive consequence. The avoidance follows fear of choking, vomiting or pain while eating. It can begin after one frightening event, and eating narrows to foods that feel predictable [2][5].
• Low interest in eating. Appetite signals are weak or hard to notice, eating feels effortful, and meals are forgotten or left unfinished [2].

Causes and risk factors

ARFID has no single cause, and the research base is small compared with other eating disorders [5][8]. Neurodevelopmental, psychological and physical factors act together.

• Autism. Sensory differences, a need for sameness, and difficulty reading signals such as hunger are common in autistic people and map onto ARFID drivers [7]. In the UK study, 43.9% of children with ARFID were autistic [5].
• ADHD. ADHD was recorded in 7.2% of the same children, and forgotten meals or low interest in eating is often described [2][5].
• Anxiety and learning disability. An anxiety disorder was present in 43.9% of that group, and intellectual disability in 20.4% [5].
• Earlier medical difficulties. Choking, reflux, vomiting or procedures involving the mouth or gut can come before the avoidance [2][5].

The evidence does not support the idea that ARFID is poor parenting, laziness or a habit that was allowed to set [1][2].

How it is diagnosed

A GP is the usual first step in the UK and can refer on [1]. Diagnosis is made by a specialist service: an eating disorder service, CAMHS for young people, a paediatric team or a community mental health team [5].

Assessment usually involves a history of how eating developed, a physical health check, blood tests, a mental health review and a risk assessment [5]. A dietitian looks at the diet itself, because some nutritional gaps are not visible in blood tests, and questionnaires such as the Nine Item ARFID Screen support the assessment rather than decide it [5].

Referral pathways are inconsistent. It is often unclear whether mental health or paediatric services should lead, some services exclude ARFID, and no reliable national waiting time figure exists [5].

A diagnosis records a recognised pattern of eating and its effects. It does not mean the eating is deliberate, and it does not rule out autism, ADHD or anxiety [5].

Treatment

NICE guideline NG69 covers anorexia nervosa, bulimia nervosa and binge eating disorder, and states that it does not cover ARFID [4]. There is no NICE recommended treatment order, so services work from the wider research base and local protocols [5].

• Psychological therapy. Cognitive behavioural therapy adapted for ARFID, known as CBT-AR, has the strongest emerging evidence. In a feasibility study, 70% no longer met criteria afterwards, though studies are small [5].
• Family based approaches. For children and young people, work with the whole family shows positive results, and a randomised trial has shown it is workable. Larger trials are needed [5].
• Anxiety treatment, graded practice and dietitian support. Where fear drives the avoidance, anxiety treatment is combined with graded practice with feared foods and dietetic input [2][5].
• Medication. No medication is established as a treatment for ARFID. SSRIs are sometimes used off label to address generalised or food-specific anxiety, with growing but still limited evidence [5].

Evidence for adults is thinner still. A 2026 protocol for a large CBT study in adults notes that no evidence based treatments are yet established for adults [8].

Living with ARFID

Eating with other people is often the hardest part, so planning ahead helps. Telling a host what you can eat, or offering to bring something, removes the awkward moment at the table.

At work or university you do not have to give a diagnosis to ask for adjustments, such as bringing your own food or avoiding food based team events. If you are autistic, keeping the same plate, cutlery and timing can make eating more predictable [7].

Keep your GP involved if your range of foods is narrowing, or if you are using supplements [5]. Beat runs a free helpline and online support groups for anyone affected, including parents [3].

When to speak to a professional

Contact your GP if food avoidance is affecting your health, your weight, your growth if you are young, or your ability to work, study or eat with others [1][5]. You do not need to look unwell to ask for help.

Contact your GP or NHS 111 the same day if you feel faint or dizzy, cannot keep fluids down, or have chest pain or an irregular heartbeat.

If you are having thoughts of suicide or self-harm, contact Samaritans on 116 123 at any hour, text SHOUT to 85258, or call 999 if anyone is in immediate danger [3].

Common questions

What is the difference between ARFID and picky eating?

Picky eating involves preferences that do not usually damage health or daily life. ARFID involves avoidance serious enough to cause nutritional problems, effects on weight or growth, or clear interference with school, work or eating with others [5].

Can adults have ARFID?

Yes. ARFID can continue from childhood into adult life, or be recognised for the first time in adulthood, although data on adults are limited [5]. Most research and most services are aimed at children, and few UK adult services accept ARFID [5].

Is ARFID part of autism?

No, they are separate diagnoses that often occur together. Autistic people commonly experience sensory differences, a need for routine and difficulty noticing hunger, which overlap with ARFID drivers [7].

Can you get ARFID treatment on the NHS?

Treatment is available in some areas but not all, because NG69 does not cover ARFID and commissioning varies [4][5]. Where local services do not accept it, care may sit with paediatrics, a dietitian or primary care [5].

Clinical review pending

References

1. NHS. Eating disorders. NHS, accessed 2026. https://www.nhs.uk/conditions/eating-disorders/
2. Beat. ARFID. Beat Eating Disorders, accessed 2026. https://www.beateatingdisorders.org.uk/get-information-and-support/about-eating-disorders/types/arfid/
3. Beat. I need support now: Helplines. Beat Eating Disorders, accessed 2026. https://www.beateatingdisorders.org.uk/get-information-and-support/get-help-for-myself/i-need-support-now/helplines/
4. National Institute for Health and Care Excellence. Eating disorders: recognition and treatment (NG69), Context. NICE, 2017, last reviewed 2024. https://www.nice.org.uk/guidance/ng69/chapter/Context
5. Golding S, Slevin H, McCulloch AS, Birch E, Nikiforovski A, Sharif N, Cano Ochando D, Elvins R. Avoidant/restrictive food intake disorder in children and young people: an update for clinicians. BJPsych Advances, 2026. https://www.cambridge.org/core/journals/bjpsych-advances/article/avoidantrestrictive-food-intake-disorder-in-children-and-young-people-an-update-for-clinicians/71406F4D8C0B32A001128E9E5F92A229
6. Mind. Types of eating disorders. Mind, accessed 2026. https://www.mind.org.uk/information-support/types-of-mental-health-problems/eating-problems/types-of-eating-disorders/
7. National Autistic Society. Eating: a guide for all audiences. NAS, accessed 2026. https://www.autism.org.uk/advice-and-guidance/topics/behaviour/eating/all-audiences
8. Masereel M, Cardona Cano S, Tran TD, de Jonge M, Dumont E, van Elburg AA, Mulkens S. Cognitive-behavioral therapy focused on inhibitory learning, for adults with avoidant/restrictive food intake disorder (ARFID): study protocol of a prospective study. PLOS ONE, 21(7), 2026. https://doi.org/10.1371/journal.pone.0354232