Preschoolers experience regular illness because of infections, which results in more trips to basic care than any other age group. The most common reason pediatricians visit the hospital is for respiratory tract illnesses (RTIs). Antibiotics are frequently recommended for RTIs even though they are typically self-limited and unlikely to alter the course of the disease . Antibiotic use raises the likelihood that patients will experience adverse events and that they will seek counsel in the event of recurrent episodes. The limited diagnostic tools used in basic care frequently result in ambiguous diagnoses and incidents of improper antibiotic prescribing .