Clinical recommendation	Evidence rating	References
Use of clinical decision rules for diagnosing GABHS pharyngitis improves quality of care while reducing unwarranted treatment and overall cost.	A	5–8, 18, 37, 38
Penicillin is the treatment of choice for GABHS pharyngitis in persons who are not allergic to penicillin.	A	2, 18–20
Treatment is not typically indicated in chronic carriers of pharyngeal GABHS.	C	39