Symptoms of a cold in infants vary widely. Generally, they may exhibit one or several of the following symptoms. The first is upper respiratory tract catarrhal symptoms, such as nasal congestion, runny nose, and sneezing. The second is respiratory symptoms, which may manifest as varying degrees of coughing, with or without phlegm. The third is symptoms of fever, which can occur to different extents. The fourth concerns gastrointestinal symptoms; the baby may experience reduced appetite, vomiting, abdominal distension, irritability, crying, diarrhea, among others.