A 9-Month-Old Baby with Failure to Thrive

A 9-Month-Old Baby with Failure to Thrive

A 9-month-old baby boy is brought to your surgery by his mum, who is concerned about his weight gain. His red book measurements have dropped from above the 50th centile to below the 25th centile over the past 4 months. He has had several chest infections, and mum...