Symptoms vary depending on the type of infection. Cold-like symptoms consisting of a runny nose and mild cough are common. Life-threatening respiratory symptoms can be seen in young infants with bronchiolitis.
In general, symptoms may include:
A physical exam may show sinus tenderness, swollen glands, and a red throat. The doctor will listen to the lungs and chest with a stethoscope. Abnormal sounds, such as crackling or wheezing, may be heard.
Tests that may be done include: