New Delhi, Oct. 27 -- Frequent colds, persistent tiredness, poor appetite, and repeated infections may sometimes signal an underlying health concern. An expert explains which symptoms parents should watch for, when to seek medical evaluation, and how to support a child's health. Children commonly experience colds, fever, and minor infections as their immune systems develop and they interact with other children at school, daycare, and even playgrounds. In most cases, these illnesses resolve with appropriate care and rest. However, when a child repeatedly falls ill, takes longer than expected to recover, or appears unusually tired even after adequate sleep, parents should look beyond everyday childhood illnesses and seek medical advice.

Wh...