About Avoidant Restrictive Food Intake Disorder
Avoidant Restrictive Food Intake Disorder (ARFID) is a term used to describe an eating problem where someone doesn’t eat enough to meet their body’s needs. This can lead to health problems or issues in their social life. People with ARFID eat a very small variety or amount of food, which might cause weight loss, vitamin or mineral deficiencies, needing supplements to get enough nutrition, or problems with day-to-day activities, like eating with others.
Unlike other eating disorders like anorexia or bulimia, ARFID isn’t about worrying about weight or body shape. Instead, it’s usually caused by one of three reasons:
- Avoiding food because of how it looks, tastes, smells, or feels
- Worrying that eating will cause something bad, like choking or feeling sick
- Just not being interested in food or eating at all
ARFID affects about 0.8% of women and 0.9% of men. It can also occur with other health problems and sometimes cause serious medical risks, which is why it’s important to catch and treat it early.
The exact causes of avoidant restrictive food intake disorder (ARFID) are not fully understood, but there are some factors that may contribute to its development. Here are the disease causes, as well as the non-modifiable and modifiable risk factors associated with ARFID:
Disease causes of ARFID:
- Avoidance based on the sensory characteristics of food
- Fear of negative consequences related to eating (e.g., choking, vomiting)
- Lack of interest in food or eating
Non-modifiable risk factors for ARFID cannot be changed or controlled. These include:
- Co-occurring conditions such as autism spectrum disorder, attention deficit hyperactivity disorder (ADHD), and anxiety disorders
- Genetic predisposition or family history of eating disorders
Modifiable risk factors for ARFID can be influenced or changed. These include:
- Early childhood feeding difficulties or picky eating behaviors
- Negative food-related experiences (e.g., choking, vomiting)
- Parental feeding practices (e.g., pressure to eat, restriction)
- Family dynamics and mealtime environment
It's important to note that these factors may increase the risk of developing ARFID but do not guarantee its occurrence. If you suspect that you or someone you know may have ARFID, it's crucial to seek professional help for proper diagnosis and treatment.
The most common early symptoms of avoidant restrictive food intake disorder (ARFID) include:
- Eating unusually large amounts of food in a specific amount of time
- Eating rapidly during binge episodes
- Eating even when full or not hungry
- Eating until uncomfortably full
- Eating alone or in secret to avoid embarrassment
- Feeling distressed, ashamed, or guilty about eating
- Frequently dieting, possibly without weight loss
As ARFID progresses or becomes more severe, the following symptoms may occur:
- Avoidance or restriction of food intake that prevents the person from eating enough calories or nutrients
- Eating habits that interfere with typical social functions, such as eating with others
- Weight loss or poor development for age and height
- Nutrient deficiencies or dependence on supplements or tube feeding
It's important to note that ARFID goes beyond common behaviors such as lower food intake in older adults. If you suspect you or someone you know may have ARFID, it's important to seek medical attention for a proper diagnosis and appropriate treatment.
To diagnose avoidant restrictive food intake disorder (ARFID), healthcare professionals may perform the following examinations, tests, and procedures:
- Clinical interview: A healthcare professional will conduct a thorough interview to gather information about eating behaviors, food preferences, and any associated psychological or physical symptoms.
- Medical history: The healthcare professional will review the individual's medical history to identify any underlying medical conditions or medications that may contribute to ARFID.
- Physical examination: A physical examination may be conducted to assess overall health and identify any physical signs related to malnutrition or other complications.
- Dietary assessment: A detailed assessment of the individual's dietary habits and nutritional intake will be conducted, including a review of food avoidance patterns, sensory sensitivities, and potential fear or aversion to certain foods.
- Psychological evaluation: A psychological evaluation may be performed to assess for any underlying mental health conditions that could contribute to ARFID, such as anxiety or sensory processing disorders.
To determine the stage or severity of ARFID, additional examinations, tests, and procedures may include:
- Nutritional assessment: A comprehensive evaluation of the individual's nutritional status may be conducted, including measuring weight, height, body mass index (BMI), and assessing for any nutrient deficiencies.
- Psychological assessments: Various psychological assessments may be used to evaluate specific aspects of ARFID, such as fear and aversion to food, sensory sensitivities, or cognitive factors impacting eating behaviors.
- Behavioral observation: Observing the individual's eating behaviors in different settings can provide valuable insights into their food avoidance patterns and help determine the severity of ARFID.
- Collaborative approach: Healthcare professionals may collaborate with a multidisciplinary team, including dietitians, psychologists, and occupational therapists, to gain a comprehensive understanding of the individual's condition and develop an appropriate treatment plan.
It is important to note that these examinations, tests, and procedures should be performed by qualified healthcare professionals experienced in diagnosing and treating ARFID.
The goals of treatment for avoidant restrictive food intake disorder (ARFID) are to address the underlying causes and improve the individual's relationship with food. Here are some recommended treatments and how they work towards achieving these goals:
Therapy:
- Individual, group, or family psychotherapy: Helps individuals explore and address the psychological factors contributing to ARFID, such as anxiety or trauma
- Cognitive Behavioral Therapy (CBT): Focuses on identifying and changing distorted thoughts and behaviors related to food, promoting healthier eating habits
Medications:
- Antidepressants, antipsychotics, or mood stabilizers: May be prescribed to treat co-occurring conditions like depression or anxiety that can contribute to ARFID symptoms
Nutritional counseling:
- Working with a dietitian to develop a balanced meal plan: Helps individuals establish regular eating patterns, overcome food aversions, and ensure adequate nutrition
Therapeutic procedures:
- Exposure therapy: Gradual exposure to feared foods or textures helps desensitize individuals to their aversions
- Occupational therapy: Focuses on sensory integration techniques to address sensory sensitivity issues related to food
Health behavior changes:
- Establishing regular meal times and a structured eating routine: Promotes consistent eating habits
- Encouraging gradual exposure to new foods: Helps expand the individual's range of acceptable foods
- Promoting a positive mealtime environment: Reduces stress and anxiety around eating
It's important to note that treatment for ARFID is individualized, and a multidisciplinary approach involving healthcare professionals from various fields may be necessary. Consult with a healthcare professional for personalized advice.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.