Avoidant/Restrictive Food Intake Disorder

Avoidant/Restrictive Food Intake Disorder (ARFID) is a serious eating disorder characterized by restrictive intake that is unrelated to body image concerns. While symptoms of ARFID often start in childhood, the illness affects individuals of all ages and genders. AFRID is often associated with other conditions such as anxiety, OCD, depression and Autistic Spectrum Disorder. It is important to recognize the symptoms of AFRID because early diagnosis and treatment significantly improve outcomes.

What Is ARFID?

ARFID is a disturbance in eating that can lead to nutritional deficiencies, weight loss, dependence on nutritional supplements and interference with daily life. Unlike other types of eating disorders (such as Anorexia Nervosa or Bulimia Nervosa), ARFID does not involve fear of weight gain or body image concerns. ARFID is a diverse disorder that affects approximately 4-5% of the general population. It can stem from a lack of interest in food, low appetite, sensory sensitivities to the taste or texture of food, or concerns about aversive consequences of eating such as choking or vomiting. Compared to children and adolescents with Anorexia Nervosa, those with ARFID are more likely to be younger, male, have a longer duration of illness, and a concurrent anxiety disorder. Adult data show higher rates of AFRID in females, although prevalence decreases with age.

ARFID Symptoms

These are the three recognized subtypes of ARFID and their symptoms:

• Sensory-Based Avoidance (approximately 60% of cases)
  • Avoidance of foods due to aversive taste, texture, smell or appearance
  • Narrow range of “safe” foods
  • Insistence on a specific brand of preferred food
  • Gagging or vomiting with certain foods

• Low Appetite / Disinterest (approximately 39%)
  • Limited hunger cues
  • Lack of interest in food or eating
  • Low overall intake leading to nutritional issues
• Fear-Based Avoidance (approximately 15%)
  • Intense fear of choking, vomiting, or getting sick
  • Sudden food restriction after a traumatic event
  • Anxiety surrounding meals

In 5-50% of cases, a patient with ARFID will experience a combination of these symptoms.

Emotional & Social Impact of ARFID

Given that many social interactions involve food, individuals with ARFID may avoid social activities rather than experience anxiety or feel pressure to eat in front of others. They may be embarrassed by their limited food choices or feel disgusted by the sight or smell of someone else’s meal. This discomfort leads to withdrawal, isolation, and impaired social functioning. The distress around meals may cause anxiety or arguments at home. Going out to eat, family vacations and outings may be limited due to lack of available food preferences. These constraints can lead to significant family conflict. Over time, the repeated negative interactions contribute to low self-esteem and an impaired quality of life.

ARFID in Children & Adolescents

Children and adolescents with ARFID often present with consistently low height, low weight, and/or nutritional deficiencies. By failing to maintain expected weight or height increases with age, trajectories on their growth charts are decreased. Children who experience an abrupt onset of ARFID, such as after an illness, may demonstrate acute weight loss leading to a dramatic decrease of their growth curves. Slowed growth during critical developmental periods often leads to significant weight loss with age.

Children with ARFID exhibit elevated rates of neurodevelopmental conditions that include autism, ADHD, anxiety and depressive symptoms. They may be irritable due to their poor nutrition and/or from the anxiety associated with eating. Their discomfort around meals and sensory overstimulation commonly leads to school avoidance. Family involvement and school coordination are essential to addressing feeding concerns and limiting any delay in development.

ARFID in Adults

ARFID can persist from childhood into adulthood, causing substantial impairment across multiple life domains. In one study, approximately one in four adults in the general population screened positive for symptoms of ARFID. Adults with ARFID may feel uncomfortable eating around others or they may leave meals prematurely due to low appetite, avoidance of unfamiliar foods, or uncomfortable physical sensations. These symptoms can limit participation in work events or family functions where food is a central part of the experience. Restaurant dining may be particularly challenging due to sensitivities to taste, texture, smells and appearance of food. Even familiar foods can be a challenge if not precisely prepared, and adults with ARFID may choose to take their own food to events or only eat at specific restaurants. This pattern of avoidance can lead to significant limitations around dating, travel and work experiences.

At Rittenhouse Psychiatric Associates, children and adults can receive evaluation, therapy, exposure-based treatment, nutrition support coordination, and medication management when appropriate.

ARFID Services Offered at Rittenhouse Psychiatric Associates

RPA offers:

• Comprehensive evaluation & diagnosis
• Exposure-based therapy
• Cognitive behavioral therapy (CBT)
• Psychiatric support for anxiety, OCD, and other co-occurring conditions
• Collaboration with other clinicians, including dietitians, pediatricians, gastroenterologists, and speech-language pathologists
• Letters for school accommodations (if appropriate)

ARFID Evaluations & Diagnoses

An evaluation for ARFID typically includes:

• 60- or 90-minute appointment for a psychiatric evaluation
• Assessment of feeding history, medical history, sensory profile, psychiatric comorbidities, and growth charts
• Adapted evaluations for children, teens, and adults
• Letters for school or workplace accommodations (if appropriate)
• Referral for neuropsychological testing (if necessary)

Therapy & Exposure-Based Treatment for ARFID

• Cognitive Behavior Therapy for Avoidant/Restrictive Food Intake Disorder (CBT-AR) is designed to last 20 to 30 sessions over 6 to 12 months. During the four stages of treatment, the therapist provides education about ARFID, encourages the patient to introduce minor variations of preferred foods, and conducts in-person exposures to novel or feared foods.
• Family-Based Treatment for Avoidant/Restrictive Food Intake Disorder (FBT-ARFID) empowers parents to help their children establish healthy eating and reduce symptoms of ARFID. The therapist separates the illness from the person, assesses and intervenes in family dynamics during a family meal, assists the parents to manage symptoms, and ultimately returns age-appropriate control of eating back to the child.
• Exposure and Response Prevention (ERP) for ARFID includes gradual exposure to aversive foods or feared consequences of eating without using avoidance behaviors such as gagging or restricting intake. By slowly encouraging patients to take progressively challenging steps and pairing the exposure with relaxation techniques, therapists help patients achieve sensory desensitization and break the cycle of avoidance and restriction.

ARFID Resources

• National Eating Disorders Association (NEDA) https://www.nationaleatingdisorders.org/
• ANAD (National Association of Anorexia Nervosa and Associated Disorders) https://anad.org/

ARFID Book Reading List:

The Picky Eater’s Recovery Book: Overcoming Avoidant/Restrictive Food Intake Disorder by Jennifer J Thomas, Kendra R. Becker, and Kamryn T. Eddy

Off the C.U.F.F.: A Parent Skills Book for Management of Disordered Eating by Nancy Zucker, PhD

Food Refusal and Avoidant Eating in Children, Including Those with Autism Spectrum Conditions: A Practical Guide for Parents and Professionals by Elizabeth Shea and Gillian Harris

Conclusion

While AFRID presents many physical and mental health concerns, it is crucial to recognize that it is a treatable condition. AFRID should not be dismissed as “picky eating” that children will outgrow. Recognition and early intervention can prevent serious complications and improve long-term outcomes. If you are concerned about symptoms of ARFID, seeking evaluation from healthcare professionals experienced in eating disorder treatment is the first step toward recovery. The clinicians at Rittenhouse Psychiatric Associates provide compassionate, evidence-based care both in person and via telemedicine.