Organisms involved are polymycrobial but often include Fusobacterium necrophorum, Treponema, Selenomonas, and Prevotella
Amoxicillin 250mg 3 x daily for 7 days AND/OR
Metronidazole 250mg 3 x daily for 7 days
Penicillin V 500mg PO q6 hours PLUS metronidazole 500mg PO q8 hours x 10 days OR
Amoxicillin 500mg PO TID PLUS metronidazole 250mg PO TID for 10d OR
Amoxicillin-clavulanate 500mg/125mg PO TID or 875mg/125mg PO BID for 10d OR
Clindamycin 150-300mg PO TID for 10d OR
Doxycycline 100mg PO BID for 10d
Vincent's angina
Streptococcal pharyngitis 
Unstable angina
Neisseria gonorrhoeae
Stable angina
Diphtheria 
STEMI equivalents
Bacterial Tracheitis