The first signs of the common cold in a baby are often: 
A congested or runny nose
Nasal discharge that may be clear at first but might thicken and turn yellow or green
 Other signs and symptoms of a common cold in a baby may include: 
Fever
Sneezing
Coughing
Decreased appetite
Irritability
Difficulty sleeping
Trouble nursing or taking a bottle due to nasal congestion
