Failure to Thrive

Failure to thrive (FTT) refers to inadequate weight gain or growth in infants and young children. Most cases reflect inadequate caloric intake; some involve underlying medical conditions.

Table of Contents

Common Causes

  • Inadequate intake (feeding difficulties, food insecurity)
  • Inadequate absorption (celiac, cystic fibrosis)
  • Increased needs (chronic illness)
  • Reflux or vomiting
  • Endocrine disorders
  • Psychosocial factors

Evaluation

  • Growth charts and history
  • Detailed feeding assessment
  • Targeted labs and imaging
  • Nutritional support
  • Social work assessment when appropriate
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • AAP. FTT Resources.