An upper respiratory infection (URI) is typically a viral infection of the upper respiratory tract, also considered a cold. An URI can cause irritation of the upper airways, the area at the back of the nose and sinuses. Coughing up a small amount of blood when a child has an URI is not uncommon. The blood could be from the irritation of the upper airways. This irritation will go away when the infection is gone. If this subsides and goes away, it
It's best to consult your child's or the patient's doctor whenever the mucous is any color other than white or clear. The doctor can determine whether testing needs to be conducted and recommend appropriate treatment. Best of luck! Aloha, Starion