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Failure to thrive


Definition:

Failure to thrive refers to children whose current weight or rate of weight gain is much lower than that of other children of similar age and gender.

Alternative Names:

Growth failure; FTT; Feeding disorder; Poor feeding

Causes:

Failure to thrive may be caused by medical problems or factors in the child’s environment, such as abuse or neglect.

There are many medical causes of failure to thrive. These include:

  • Problems with genes such as Down syndrome
  • Organ problems
  • Hormone problems
  • Damage to the brain or central nervous system, which may cause feeding difficulties in an infant
  • Heart or lung problems, which can affect how nutrients move through the body
  • Anemia or other blood disorders
  • Gastrointestinal problems that make it hard to absorb nutrients or cause a lack of digestive enzymes
  • Long-term (chronic) infections
  • Metabolism problems
  • Problems during pregnancy or low birth weight

Factors in the child’s environment include:

  • Loss of emotional bond between parent and child
  • Poverty
  • Problems with child-caregiver relationship
  • Parents do not understand the appropriate diet needs for their the child
  • Exposure to infections, parasites, or toxins
  • Poor eating habits, such as eating in front of the television and not having formal meal times

Many times the cause cannot be determined.

Symptoms:

Children who fail to thrive do not grow and develop normally as compared to children of the same age.They seem to be much smaller or shorter. Teenagers may not have the usual changes that occur at puberty.

Symptoms of failure to thrive include:

  • Height, weight, and head circumference do not match standard growth charts
  • Weight is lower than 3rd percentile of standard growth charts or 20% below the ideal weight for their height
  • Growth may have slowed or stopped

Children who fail to thrive may have the following delayed or slow to develop:

  • Physical skills such as rolling over, sitting, standing and walking
  • Mental and social skills
  • Secondary sexual characteristics (delayed in adolescents)

Babies who fail to gain weight or develop often lack interest in feeding or a problem receiving the proper amount of nutrition. This is called poor feeding.

Other symptoms that may be seen in a child that fails to thrive include:

  • Constipation
  • Excessive crying
  • Excessive sleepiness (lethargy)
  • Irritability
Exams and Tests:

The doctor will perform a physical exam and check the child's height, weight, and body shape. Parents will be asked about the child's medical and family history.

A special test called the Denver Developmental Screening Test will be used to show any delays in development. A growth chart outlining all types of growth since birth is created.

The following tests may be done:

Treatment:

Treatment depends on the cause of the delayed growth and development. Delayed growth due to nutritional problems can be helped by showing the parents how to provide a well-balanced diet.

Do not give your child dietary supplements such as Boost or Ensure without talking to your health care provider first.

Other treatment depends on how severe the condition is. The following may be recommended:

  • Increase the number of calories and amount of fluid the infant receives
  • Correct any vitamin or mineral deficiencies
  • Identify and treat any other medical conditions

The child may need to stay in the hospital for a little while.

Treatment may also involve improving the family relationships and living conditions.

Outlook (Prognosis):

Normal growth and development may be affected if a child fails to thrive for a long time.

Normal growth and development may continue if the child has failed to thrive for a short time, and the cause is determined and treated.

Possible Complications:

Permanent mental, emotional, or physical delays can occur.

When to Contact a Medical Professional:

Call for an appointment with your health care provider if your child does not seem to be developing normally.

Prevention:

Regular checkups can help detect failure to thrive in children.

References:

McLean HS, Price DT. Failure to thrive. In: Kliegman RM, Stanton BF, St. Geme JW III, et al., eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Elsevier Saunders; 2011:chap 38.


Review Date: 8/22/2013
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 2002 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

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