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Is Failure to Thrive an Actual Diagnosis? A Comprehensive Overview

According to the American Academy of Family Physicians, Failure to Thrive (FTT) is a sign of undernutrition, not a specific disease itself. While it describes a pattern of insufficient growth, determining the root cause requires a comprehensive diagnostic approach to identify the underlying medical, nutritional, or psychosocial issue. This means that while FTT is a medical concern, healthcare providers do not simply conclude that a patient has 'failure to thrive' without further investigation.