General Spectrum of Activity

Penicillin G: Gram positive: Streptococci group A/B/C/G, S. pneumoniae, S. anginosus group, E. faecalis, L. monocytogenes; Gram negative: N. meningitidis; Anaerobic: Actinomyces, Prevotella melaninogenica, Clostridia, Peptostreptococci

Penicillin VK: Gram positive: Group A/B/C/G Streptococci, S. pneumoniae, S. anginosus group, E. faecalis; Anaerobes: Peptostreptococci, non-difficile Clostridia