PFD and ARFID
Understanding the overlap and the differences
Prepared by
Dr Melissa Bujtor
HCPC Registered Dietitian · AfN Registered Nutritionist (RNutr)
Paediatric Feeding Specialist
If your child is experiencing difficulties with eating or feeding, you may have come across two distinct conditions with names that sound similar, and which share some features in common.
PFD
Paediatric Feeding Disorder
ARFID
Avoidant/Restrictive Food Intake Disorder
They are not the same, although there can be considerable overlap between them.
Understanding the difference can help make sense of what may be contributing to a child’s feeding or eating, what needs assessing, and which kinds of support may be useful.
This fact sheet provides general information rather than a diagnosis. An individual assessment is needed to understand what is happening for a particular child.
What is PFD?
Paediatric Feeding Disorder (PFD) is defined as:
Impaired oral intake that is not age-appropriate and is associated with medical, nutritional, feeding-skill and/or psychosocial dysfunction.1
The PFD framework was developed because children’s feeding difficulties were often being considered through the lens of one profession or one aspect of feeding. Instead, PFD asks clinicians to consider four interacting domains.
i
Medical
A health or medical factor may be affecting the child’s ability to eat safely, comfortably or adequately — for example cardiorespiratory difficulty during feeding, aspiration, gastrointestinal disease or symptoms, pain associated with eating, or other medical conditions affecting feeding.
ii
Nutritional
Intake may not adequately meet nutritional or hydration needs — including malnutrition, specific nutrient deficiencies, significantly restricted dietary diversity, or reliance on oral nutritional supplements or enteral feeding.
iii
Feeding skill
The child may need support with the physical or functional skills of eating and drinking — modified textures or liquid consistency, adapted positions, particular equipment or strategies — and may have difficulty chewing, moving food within the mouth, drinking or swallowing safely.1
iv
Psychosocial
Feeding may affect, or be affected by, the child’s experience, caregiver–child interaction and wider feeding environment — avoidance or distress, disrupted participation in meals, difficult feeding interactions, or strategies that no longer meet the child’s needs.1
A child does not need all four domains
A child does not need to experience difficulty in all four domains to meet the PFD criteria.1 The domains can influence one another, which is why feeding is best understood as more than simply whether a child will or will not eat.
PFD is not simply a behavioural description
PFD should not be understood as another way of saying that a child is “refusing food” or behaving badly at meals. The framework was specifically developed to recognise feeding as a complex function involving:
health + nutrition + feeding skills + psychosocial functioning
It is based on the World Health Organization’s International Classification of Functioning, Disability and Health framework, which considers not only impairment but also activity, participation and the interaction between the person and their environment.1
Understanding those domains helps identify what the child needs, rather than simply focusing on changing their behaviour.
What is ARFID?
Avoidant/Restrictive Food Intake Disorder (ARFID) is a recognised feeding and eating disorder included within DSM-5-TR and ICD-11.2,3
ARFID involves an eating or feeding disturbance associated with avoidant or restrictive intake and one or more significant consequences, such as:
- weight loss, failure to achieve expected weight gain or faltering growth;
- significant nutritional deficiency;
- reliance on oral nutritional supplements or enteral feeding;
- marked interference with psychosocial functioning.2
The restriction characteristic of ARFID is not driven by concerns about body weight or shape in the way that characterises eating disorders such as anorexia nervosa or bulimia nervosa.2,3
ARFID can occur across the lifespan.
Understanding ARFID presentations
DSM-5-TR gives three commonly recognised examples of how ARFID may present. These can overlap rather than representing three completely separate types.2,4
i
Sensory differences around food
Particular tastes, textures, smells, temperatures, appearances or combinations of foods may be uncomfortable, overwhelming or inaccessible.
Predictability around brand, preparation, presentation or texture may also be particularly important for some people.
ii
Low interest in food or eating
Some children may experience little appetite, limited interest in food, early fullness, eating as effortful, or hunger cues that are less noticeable.
For these children, the main difficulty may be less about which foods they can eat and more about being able to eat enough.
iii
Concern about aversive consequences
A child may restrict eating because of concern about something happening when they eat — choking, vomiting, pain or another frightening or uncomfortable consequence.
Sometimes there is a clear precipitating experience. Sometimes there is not.
These presentations are useful ways of understanding ARFID, but children do not need to fit neatly into one category.
Medical conditions and ARFID
This is an important area where PFD and ARFID can become confusing.
A medical condition does not rule ARFID out
ARFID is not automatically ruled out simply because a child also has a medical condition, gastrointestinal condition, neurodevelopmental difference or history of feeding difficulty.
DSM criteria state that where another medical or mental-health condition is present, ARFID may still be diagnosed when the eating disturbance is more significant than would ordinarily be expected in association with that condition and warrants additional clinical attention.2,5
For example, a child may originally reduce their intake because eating was painful. Once the medical problem has been treated or stabilised, significant fear or restriction around eating may remain.
Alternatively, an ongoing medical or feeding-skill difference may continue to be an important part of the child’s feeding picture.
This is why careful assessment matters more than trying to choose a label based on one symptom.
Where PFD and ARFID overlap
There is genuine overlap between PFD and ARFID. A US-based expert consensus published in 2025 specifically examined the relationship between the two diagnoses and concluded that there are circumstances in which:
- PFD and ARFID occur independently;
- a child meets criteria for both;
- the diagnoses overlap;
- one pattern of feeding or eating difficulty may contribute to or evolve into another over time.5
The consensus particularly recommends that when ARFID is identified in a young child, clinicians consider the four PFD domains so that medical, nutritional and feeding-skill needs are not overlooked.5 Feeding Matters uses the same framework in its current guidance for families and professionals.6–8
This matters because two children who appear to eat a similarly restricted diet may have very different underlying needs.
Can a child have both PFD and ARFID?
Yes, where the criteria for both are met.5
For example, a child might experience significantly restricted intake, nutritional consequences and sensory-related food avoidance — while also having feeding-skill differences, difficulty managing particular textures, or an underlying medical factor affecting feeding.
ARFID lens alone
Could miss important medical or feeding-skill needs.
PFD lens alone
Could miss a clinically significant avoidant or restrictive eating pattern that also warrants assessment through an ARFID framework.
For some children, both perspectives are useful.
Does PFD become ARFID?
Not necessarily.
PFD should not be thought of as an inevitable early stage of ARFID. Many children with PFD will not go on to develop ARFID, and ARFID can occur without an earlier PFD diagnosis.
Current expert consensus does, however, recognise that feeding difficulties described within the PFD framework may contribute to the later development of ARFID for some individuals.5,6 For example, repeated experiences of:
… may contribute to later avoidance or fear around eating in some children. The relationship is still being studied.
PFD and ARFID can overlap, influence one another or occur independently — rather than one inevitably becoming the other.
How PFD and ARFID differ
A useful way to think about the difference
Rather than seeing PFD and ARFID as competing labels, they provide different but potentially complementary ways of understanding feeding and eating.
The PFD framework asks
Which areas of feeding function are affected?
It deliberately examines medical health, nutrition, feeding skills and psychosocial functioning.
ARFID assessment asks
Is avoidant or restrictive eating causing the level and type of impact required for an ARFID diagnosis, and what is contributing to that restriction?
For some children, one framework will describe what is happening most clearly. For others, both may be relevant.
Why does the distinction matter?
The purpose is not to find the “right label” for its own sake. It is to avoid missing something important.
It helps identify what needs assessing
Often these needs overlap.
It can prevent feeding differences being misunderstood
Descriptions such as “fussy”, “stubborn”, “behavioural” or “they’ll eat when they’re hungry” do not explain why eating is difficult.
Equally, not every child with restricted eating necessarily has ARFID or PFD. Assessment should identify what is happening for this child, rather than beginning with assumptions about motivation.
It helps protect nutrition, development, participation and safety
Children can experience nutritional consequences without necessarily appearing underweight. Likewise, feeding-skill or swallowing differences may have safety implications that are not obvious from looking at food variety alone. Feeding and eating can also affect participation in family life, school and the wider community.1
A comprehensive assessment therefore needs to look beyond body size and beyond simply counting foods.
What good assessment looks like
Good assessment should build a picture of the whole feeding and eating experience. Depending on the child, this may include:
The 2025 PFD–ARFID consensus particularly recommends considering the PFD domains when evaluating ARFID during the feeding developmental window.5
The aim is not to force the child into a diagnostic box. It is to understand which needs are present and which professionals or supports may be helpful.
What support can look like
There is no single intervention or feeding strategy that is appropriate for every child with PFD or ARFID. Depending on assessment, support may involve:
- dietetic care to assess and support nutritional adequacy, growth and supplementation where needed;
- medical assessment or treatment where physical health or gastrointestinal factors are contributing;
- speech and language therapy where swallowing or feeding skills require specialist assessment;
- occupational therapy where appropriate for the child’s functional, developmental or sensory needs;
- psychological or mental-health support where fear, anxiety or other psychological factors are significant;
- feeding support matched to the child’s individual developmental and feeding profile;
- environmental adaptations and accommodations that make eating more accessible;
- coordinated input from several professionals where needs cross domains.
Support should respond to the child’s health, communication, development, feeding experience and individual needs, rather than being based simply on making their eating appear more typical.
Neurodevelopmental differences matter too
Autistic children, children with ADHD and children with other neurodevelopmental differences may also experience PFD, ARFID or both.
Neurodevelopmental differences do not themselves need to be “treated out” of a child’s eating.
Instead, assessment should consider how individual differences in areas such as these may interact with feeding and eating:
Where an accommodation helps a child access adequate nutrition, participate in meals or reduce an unnecessary barrier, it may be an appropriate part of ongoing support rather than something that automatically needs to be removed.
If feeding is becoming difficult and you are unsure where it fits
Families are sometimes given very different explanations for the same child’s eating. One professional may describe feeding difficulties. Another may raise ARFID. Someone else may focus on sensory needs, gastrointestinal symptoms, feeding skills or nutrition.
These explanations do not necessarily contradict one another. The important task is to bring the information together.
Dr Melissa Bujtor works with children and families to assess feeding and nutritional difficulties and build a joined-up understanding of what may be contributing. Assessment can include:
Where a formal diagnosis requires assessment outside the scope of the clinician involved, this should be undertaken by an appropriately qualified professional or multidisciplinary team. The aim is a coherent understanding of your child and their needs, rather than a label for its own sake.
Enquire about specialist paediatric dietetic and feeding assessment
Alternatively, you can speak to your local GP about your concerns and appropriate assessment or referral.
When to seek further advice
Seek professional assessment if your child:
- has weight loss, faltering growth or a concerning change in their usual growth trajectory;
- has significantly restricted dietary intake or is losing previously accessible foods;
- may not be meeting their nutritional needs;
- shows signs of a possible nutritional deficiency;
- regularly struggles to eat or drink enough;
- coughs or chokes when eating or drinking;
- has difficulty chewing or swallowing;
- has recurrent chest infections where swallowing safety is a concern;
- experiences persistent vomiting, pain or gastrointestinal symptoms associated with eating;
- experiences increasing fear or distress around eating;
- is increasingly unable to participate in school, social or family life because of eating.
Urgent
Coughing, choking or concerns about swallowing require appropriate professional assessment.
If your child is acutely unwell, significantly dehydrated, unable to maintain adequate food or fluid intake, or you are otherwise concerned about their immediate physical health, seek urgent medical advice through your GP, NHS 111 or emergency services as appropriate.
A final thought
PFD and ARFID are not simply two names for the same thing. Nor do families necessarily need to choose one explanation and discard the other.
PFD provides a multidisciplinary framework for understanding paediatric feeding dysfunction across medical, nutritional, feeding-skill and psychosocial domains. ARFID describes a recognised feeding and eating disorder characterised by avoidant or restrictive intake associated with significant nutritional, physical and/or psychosocial consequences.
For some children, one will describe the picture most clearly. For others, both may be relevant.
The point of understanding the distinction is not to make a child’s experience fit neatly into a label. It is to make sure the right questions are asked, important needs are not missed, and support reflects the child in front of us.
Important information
This fact sheet provides general educational information only. It is not a diagnostic tool and does not replace individual medical, dietetic, feeding, swallowing, psychological or multidisciplinary assessment.
If you are concerned about your child’s feeding, nutritional intake or growth, you can contact Dr Melissa Bujtor Specialist Dietetic Practice, another suitably qualified dietitian, or your local GP.
Concerns about swallowing safety, recurrent choking, significant medical symptoms or acute deterioration require appropriate medical and/or speech and language therapy assessment. Seek urgent medical advice where your child is acutely unwell.
Prepared by Dr Melissa Bujtor, HCPC Registered Dietitian, AfN Registered Nutritionist (RNutr) and Paediatric Feeding Specialist, for Dr Melissa Bujtor Specialist Dietetic Practice. This fact sheet provides general educational information and is not a diagnostic tool or a substitute for individual assessment.
References
- Goday PS, Huh SY, Silverman A, Lukens CT, Dodrill P, Cohen SS, et al. Pediatric feeding disorder: consensus definition and conceptual framework. J Pediatr Gastroenterol Nutr. 2019;68(1):124–129. doi:10.1097/MPG.0000000000002188.
- American Psychiatric Association. Diagnostic and statistical manual of mental disorders: DSM-5-TR. 5th ed, text rev. Washington, DC: American Psychiatric Association Publishing; 2022.
- World Health Organization. Clinical descriptions and diagnostic requirements for ICD-11 mental, behavioural and neurodevelopmental disorders. Geneva: World Health Organization; 2024.
- Thomas JJ, Lawson EA, Micali N, Misra M, Deckersbach T, Eddy KT. Avoidant/restrictive food intake disorder: a three-dimensional model of neurobiology with implications for etiology and treatment. Curr Psychiatry Rep. 2017;19(8):54. doi:10.1007/s11920-017-0795-5.
- Estrem HH, Pederson JL, Dodrill P, Romeo C, Thompson K, Thomas JJ, et al. A US-based consensus on diagnostic overlap and distinction for pediatric feeding disorder and avoidant/restrictive food intake disorder. Int J Eat Disord. 2025;58(3):489–499. doi:10.1002/eat.24349.
- Feeding Matters. PFD and ARFID: navigating the overlap. Feeding Matters. Accessed 21 Aug 2026.
- Feeding Matters. Is it PFD? Feeding Matters. Accessed 21 Aug 2026.
- Feeding Matters. Is it ARFID? Feeding Matters. Accessed 21 Aug 2026.
Prepared by Dr Melissa Bujtor, HCPC Registered Dietitian, AfN Registered Nutritionist (RNutr) and Paediatric Feeding Specialist, for Dr Melissa Bujtor Specialist Dietetic Practice. This fact sheet provides general educational information and is not a diagnostic tool or a substitute for individual assessment.
About the author
Dr Melissa Bujtor
A HCPC Registered Dietitian and AfN Registered Nutritionist with specialist expertise in paediatric dietetics, feeding development and eating disorders.
Dr Bujtor also holds a British Psychological Society-accredited Master’s degree in Psychology, bringing an understanding of behaviour, cognition and emotional development to her clinical work with children and young people.
She is a published scientist whose work spans research, policy and advocacy, and serves on the Board of Trustees of The Feeding Trust, helping to connect research, policy and clinical practice to improve outcomes for children, young people and families.
Her clinical practice combines evidence-based dietetics with a developmental understanding of feeding — looking beyond what a child eats to understand the factors that may be contributing to their difficulties.
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