Antibiotic therapy
Oral
Amoxicillin-clavulanate (45mg/kg per dose [max 875mg single dose]) x 12 hours in children; 875 mg x 12 hours in adults
Clindamycin (10mg/kg [max 600mg single dose]) x8 hours in children; 300-450mg x 6 hours in adults
Parenteral
Ampicillin-sulbactam (no MRSA coverage) IV (50mg/kg per dose [max 3g single dose]) x 6 hours children; 3g x6 hours adults
Clindamycin IV (13mg/kg per dose [max 900mg single dose]) x8 hours children; 600mg x6-8 hours adults
If moderate to severe disease (toxic, temp>39C, drooling, respiratory distress) add IV vancomycin or linezolid to ampicillin-sulbactam or clindamycin
Oral
Amoxicillin-clavulanate (45mg/kg per dose [max 875mg single dose]) x 12 hours in children; 875 mg x 12 hours in adults
Clindamycin (10mg/kg [max 600mg single dose]) x8 hours in children; 300-450mg x 6 hours in adults
Parenteral
Ampicillin-sulbactam (no MRSA coverage) IV (50mg/kg per dose [max 3g single dose]) x 6 hours children; 3g x6 hours adults
Clindamycin IV (13mg/kg per dose [max 900mg single dose]) x8 hours children; 600mg x6-8 hours adults
If moderate to severe disease (toxic, temp>39C, drooling, respiratory distress) add IV vancomycin or linezolid to ampicillin-sulbactam or clindamycin
Amoxicillin-clavulanate (45mg/kg per dose [max 875mg single dose]) x 12 hours in children; 875 mg x 12 hours in adults
Clindamycin (10mg/kg [max 600mg single dose]) x8 hours in children; 300-450mg x 6 hours in adults
Ampicillin-sulbactam (no MRSA coverage) IV (50mg/kg per dose [max 3g single dose]) x 6 hours children; 3g x6 hours adults
Clindamycin IV (13mg/kg per dose [max 900mg single dose]) x8 hours children; 600mg x6-8 hours adults
If moderate to severe disease (toxic, temp>39C, drooling, respiratory distress) add IV vancomycin or linezolid to ampicillin-sulbactam or clindamycin
Peritonsillar cellulitis
Streptococcal pharyngitis 
Epiglottitis
Neisseria gonorrhoeae
Retropharyngeal abscess
Diphtheria 
Peritonsillar abscess
Bacterial Tracheitis