Antibiotics for bronchiolitis in children.

Bronchiolitis is a serious, potentially life-threatening respiratory illness commonly affecting young babies. It is most often caused by Respiratory Syncytial Virus (RSV). The diagnosis is usually made on clinical grounds (especially tachypnoea and wheezing in a child less than two years of age). Antibiotics are not recommended for bronchiolitis unless there is concern about complications such as secondary bacterial pneumonia. Despite this, they are used at rates of 34 to 99% in uncomplicated cases.