I just found two articles on the American Academy of Pediatrics parent’s website www.healthychidren.org that are worth reading.
Urgent Care Center: Is it Worth the No-Wait? https://www.healthychildren.org/English/family-life/health-management/Pages/Nonemergency-Acute-Care-AAP-Policy-Explained.aspx
10 Common Childhood Illness and Their Treatments https://www.healthychildren.org/English/health-issues/conditions/treatments/Pages/10-Common-Childhood-Illnesses-and-Their-Treatments.aspx