The human upper respiratory tract is calculated from the nose to the larynx, including the nose, throat and larynx. When this part is invaded by pathogens, it will cause cold symptoms and if not treated properly and promptly, it can lead to upper respiratory tract infections.

Upper respiratory tract infections requiring antibiotics in children are one of the most common problems encountered by general practitioners. Although complications from upper respiratory tract infections in infants and young children are rare and antibiotics provide little or no benefit in uncomplicated cases, antibiotic prescribing has become too easy, with many long-term consequences.