Violation
A patient presents with a chronic, purulent draining fistula in the right submandibular area. Culture results are inconclusive but actinomycosis is suspected. Which of the following intravenous antibiotics is most appropriate for the management of the condition?
Penicillin.
Erythromycin.
Cephalosporin.
Aminoglycoside.
Sulfonamide.