Failure to Thrive: Symptoms, Causes, Diagnosis and Treatment

Written by Medicover Team and Medically Reviewed by Dr K Sindhura , Pediatricians

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Failure to thrive (FTT) is a condition in which an infant or child does not gain weight or grow as expected for their age. It may result from inadequate nutrition, underlying medical conditions, feeding difficulties, or psychosocial factors. Children with failure to thrive may experience poor weight gain, delayed growth and development, and reduced energy levels. Early diagnosis and appropriate treatment are essential to address the underlying cause, promote healthy growth, and prevent long-term complications.

What are the Symptoms of Failure to Thrive?

The symptoms of FTT can vary depending on the underlying cause and the severity of the condition. Common signs and symptoms include:

Poor Weight Gain: Inadequate weight gain or weight loss over time.
Delayed Development: Slower achievement of developmental milestones such as crawling, walking, and talking.
Lethargy: Decreased energy levels and reduced activity.
Irritability: Increased fussiness and irritability, especially during feeding.
Physical Signs: Thin appearance, lack of subcutaneous fat, and a distended abdomen.

What are the Causes of Failure to Thrive?

Understanding the underlying causes of FTT is crucial for effective management. The causes of FTT are diverse and can be broadly categorized into organic and non-organic factors.

Organic Causes

Organic FTT is often related to medical conditions that interfere with nutrient absorption, metabolism, or energy expenditure. Some common organic causes include:

Gastrointestinal Disorders: Conditions like gastroesophageal reflux disease (GERD), celiac disease, and inflammatory bowel disease can impair nutrient absorption.
Chronic Infections: Recurrent infections can lead to poor appetite and increased metabolic demands.
Genetic Disorders: Metabolic disorders, chromosomal abnormalities, and congenital heart disease can contribute to FTT.
Endocrine Disorders: Hormonal imbalances, such as hypothyroidism, can affect growth and development.

Non-Organic Causes

Non-organic FTT is often associated with environmental, psychosocial, or behavioral factors. These may include:

Inadequate Nutrition: Insufficient caloric intake due to poor feeding practices or limited access to nutritious foods.
Neglect or Abuse: Emotional or physical neglect and abuse can hinder a child's growth and development.
Psychosocial Stressors: Family dynamics, maternal depression, and socioeconomic challenges can impact a child's well-being.
Feeding Difficulties: Issues like oral-motor dysfunction or sensory processing disorders can interfere with effective feeding.

When to See a Doctor for Failure to Thrive?

If a child is not gaining weight appropriately, has feeding difficulties, or shows delayed growth or development, consult a pediatrician promptly. Early evaluation can identify the underlying cause and help prevent long-term growth and developmental complications.

You should see a doctor if you have:

Poor weight gain or unexplained weight loss.
Persistent feeding problems or poor appetite.
Delayed developmental milestones.
Frequent vomiting, diarrhea, or recurrent infections.

Get medical help immediately if:

Severe dehydration or inability to eat or drink.
Extreme lethargy, unresponsiveness, or seizures.
Rapid weight loss or signs of severe malnutrition.

These could be signs of a serious complication like Failure to Thrive, which needs urgent care.

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How Is Failure to Thrive Diagnosed?

The diagnosis of FTT involves a multifaceted approach to evaluate growth patterns and identify potential underlying causes. Healthcare providers often utilize growth charts, which compare a child's growth to standardized percentiles. A child is typically considered to have FTT if their weight falls below the 3rd or 5th percentile for their age and sex, or if there is a significant drop in weight percentiles over a short period.

Key Diagnostic Tools

Growth Charts: Regular monitoring using growth charts helps track weight, height, and head circumference.
Medical History: A thorough medical history can reveal potential organic causes, such as chronic illnesses or genetic disorders.
Physical Examination: A detailed physical exam can provide clues about nutritional status and identify any physical abnormalities.
Laboratory Tests: Blood tests, urine tests, and imaging studies may be employed to rule out underlying medical conditions.

What is the Management and Treatment of Failure to Thrive?

The management of FTT involves a multidisciplinary approach aimed at addressing the underlying causes and promoting adequate growth. Treatment strategies may include medical, nutritional, and psychosocial interventions.

Medical Interventions

Treating Underlying Medical Conditions: Addressing any identified medical issues, such as infections, gastrointestinal disorders, or endocrine abnormalities.
Medications: Prescribing medications to manage conditions like GERD, hypothyroidism, or chronic infections.

Nutritional Interventions

Nutritional Assessment: Conducting a comprehensive nutritional assessment to identify deficiencies and create a tailored feeding plan.
Caloric Supplementation: Increasing caloric intake through nutrient-dense foods, supplements, or fortified formulas.
Feeding Techniques: Implementing appropriate feeding techniques, such as paced bottle feeding or adaptive utensils, to enhance feeding efficiency.
Dietary Modifications: Adjusting the diet to accommodate food allergies, intolerances, or sensory preferences.

Psychosocial Interventions

Parent Education: Educating caregivers about proper feeding practices, nutrition, and responsive parenting.
Therapy and Counseling: Providing therapy and counseling services to address psychosocial stressors, maternal mental health, and family dynamics.
Social Support: Connecting families with community resources, support groups, and social services to alleviate socioeconomic challenges.

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What is the Recovery Process for Failure to Thrive?

Recovery focuses on steady growth improvement and long-term monitoring.

Regular follow-up with a pediatrician
Ongoing nutritional support and monitoring
Tracking growth using charts
Developmental assessments and early interventions

Frequently Asked Questions

1. What causes failure to thrive?

Failure to thrive is caused by underlying medical conditions such as digestive disorders, infections, or inadequate nutrition due to feeding difficulties.

2. What are the symptoms of failure to thrive?

Symptoms include poor weight gain, delayed growth, irritability, fatigue, and developmental delays in infants and children.

3. How is failure to thrive treated?

Treatment involves addressing the underlying cause, providing adequate nutrition, and managing any feeding difficulties with the help of healthcare professionals.

4. How is failure to thrive diagnosed?

Diagnosis is based on tracking growth charts, conducting physical exams, and performing lab tests to rule out underlying conditions.

5. How can nutrition help with failure to thrive?

Proper nutrition, including high-calorie diets and supplements, plays a key role in improving weight gain and overall growth in infants and children with failure to thrive.