ß-haemolytic Streptococci
- Early surgical intervention improves survival.
S. pyogenes (Group A)
Therapy | Dose | Duration | |
---|---|---|---|
Native | Prosthetic | ||
Penicillin | 3MU IV q4h | 4 weeks | 6 weeks |
or | |||
Ceftriaxone | 2g IV daily | 4 weeks | 6 weeks |
S. agalactiae (Group B), Streptococcus Group C,G
Therapy | Dose | Duration | |
---|---|---|---|
Native | Prosthetic | ||
[Penicillin | 4MU IV q4h | 4-6 weeks | 6 weeks |
+ | |||
Gentamicin] | 3mg/kg IV daily or | 2 weeks | 2 weeks |
1mg/kg IV q8h | |||
or | |||
[Ceftriaxone | 2g IV daily | 4-6 weeks | 6 weeks |
+ | |||
Gentamicin] | 3mg/kg IV daily or | 2 weeks | 2 weeks |
1mg/kg IV q8h |
Severe penicillin/cephalosporin allergy
Therapy | Dose | Duration | |
---|---|---|---|
Native | Prosthetic | ||
Vancomycin | 15mg/kg IV q8-12h | 4 weeks (4-6 weeks for Group B,C,G) | 6 weeks |