ARFID
Avoidant/Restrictive Food Intake Disorder
When Fussy Eating Becomes More Serious
Most children go through phases of rejecting certain foods. They prefer bland meals, insist on sameness, and may take a while to warm up to vegetables. In many cases, this is simply part of development.
ARFID - Avoidant/Restrictive Food Intake Disorder - is different.
ARFID describes a pattern of eating where avoidance becomes persistent, extreme, and increasingly restrictive. The child is not refusing food because of body image concerns. Instead, the avoidance is driven by fear, sensory overwhelm, or a loss of appetite that feels outside their control.
Children with ARFID often eat a very narrow range of “safe” foods. These are usually predictable in texture and flavour - plain pasta, toast, specific brands, beige foods. Anything outside that narrow list may trigger visible anxiety.
Eating stops being about preference and starts feeling unsafe.
How ARFID Develops
ARFID can develop in different ways. For some children, it begins with sensory sensitivity. Certain textures, smells or temperatures genuinely feel overwhelming or even painful. The child is not being defiant; they are trying to avoid discomfort.
For others, ARFID begins after a frightening experience with food. This could stem from a bout of food poisoning, being sick or after a choking episode. But it could also begin after seeing someone else vomit or hearing repeated warnings about sickness and illness.
The brain then begins to make rapid associations: which is that food = danger.
From that point on, the nervous system reacts automatically. Appetite decreases; the throat tightens and the body becomes hyper-alert to sensations. At this point a child may begin to avoid foods that feel even slightly unfamiliar.
Over time, this can develop into a fear of eating itself - sometimes resembling a specific phobia. Reassurance alone rarely solves it, because the reaction is not logical. It is physiological.
ARFID Is Now Recognised Clinically
ARFID was formally added to the DSM-5 in 2013 as a distinct diagnosis, separate from anorexia and bulimia. In recent years, awareness has grown significantly.
In the UK, diagnoses have risen sharply, and charities such as Beat report increasing numbers of referrals. It is estimated that ARFID may affect up to 5% of children, though many cases are still mislabelled as extreme fussy eating.
It is also more commonly identified in children who experience:
• Autism spectrum differences
• Anxiety disorders
• Sensory processing sensitivities
But it can occur in children without any prior diagnosis too.
Why Pressure Often Makes It Worse
When a child already feels uncertain about food, increased attention can unintentionally amplify the fear.
Well-meaning encouragement such as:
“Just try a bite.”
“There’s nothing wrong with it.”
”You used to eat this.”
can increase vigilance rather than reduce it.
The child’s body does not interpret these as reassurance. It interprets them as confirmation that something important is happening.
The more the focus narrows onto the food, the more fragile the situation can become.
Progress Is Possible
One of the most helpful things is for parents to understand that ARFID is not stubbornness or a child choosing to be difficult and it’s also not bad parenting.
It’s simply a reaction from a nervous system that’s trying to protect itself and with the right psychological support, that can be calmed. And that is when meaningful changes can begin.
When eating has become anxious or restrictive, it is very tempting to focus on the food itself. We naturally begin to think about which foods to stop serving and which new ones to start adding in to increase variety. And what should we do to get them to take just one more bite?
But when fear has entered the picture, the food is rarely the first place to start. Before expanding a child’s diet, we need to reduce the sense of threat around eating.
Environment matters just as much as food
Children eat best when their nervous system feels calm and predictable. If the body is on alert watching and anticipating – then appetite naturally shrinks. That is why I often begin by looking at the environment first.
For example:
Keeping meals in the same place, at roughly the same time each day because predictability reduces anxiety.
Making the table feel settled - perhaps soft lighting, gentle background music, or simply a pause before everyone sits down. These small cues signal safety to the brain.
Reducing commentary about what or how much is being eaten. The less spotlight on the plate, the easier it becomes to relax.
Have a ‘good news only’ policy for conversation round the dinner table. Discussing problems and difficulties will just heighten the tension.
Allow food to be present without insisting it must be consumed. Proximity is often the first step before participation.
When the environment becomes calmer, children no longer feel quite so watched or measured and the table stops feeling like a test. And when the pressure starts to ease, appetite often begins to return.
Of course, we can’t ignore nutrition altogether but we can always change the menu later, once your child feels safer and more secure.
Adults and ARFID
Avoidant / Restrictive Food Intake Disorder isn’t just a childhood condition. As a Behaviour Change Psychotherapist, I’ve worked with many adults who have never grown out of their childhood eating issues and find that it’s more of a problem now they’re an adult, rather than less.
ARFID can become more noticeable when life introduces situations involving social or professional pressure - work events, dating, travelling, or meals in unfamiliar environments. Eating is no longer a private experience you were able to hide away at home, and that can heighten anxiety considerably.
Although rarely discussed, this experience is far from unusual. It is estimated that around 1–2% of adults experience ARFID, which equates to hundreds of thousands of people in the UK and several million in the United States. Alongside this, there is a much larger group of adults living with significant eating anxiety that never receives a formal diagnosis but still affects confidence, flexibility and everyday life.
The good news is that it is possible to change patterns of behaviour in just a few short sessions.
Need more help?
A specialised Behaviour Change Consultation can help you overcome eating challenges. For more information on this could work, read my CONSULTATIONS page HERE.
