Cost and effectiveness analysis of the diagnostic and therapeutic approaches of group A Streptococcus pharyngitis management in Iran.

Background: A sore throat is one of the common causes behind visits to the physician and antibiotic overtreatment in the world, especially in Iran. There are six ways of approaching pharyngitis patients. It is necessary to perform a cost-effectiveness analysis and find the best approach in all situations on group A (GAS) pharyngitis management to propose a pharyngitis guideline.