<unk> (oral) is an antibiotic that is FDA approved for the treatment of empyema, anaerobic pneumonitis, and lung abscess; serious skin and soft tissue infections; septicemia; intra-abdominal infections such as peritonitis and intra-abdominal abscess. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include abdominal pain,  pseudomembranous colitis,  esophagitis,  nausea, vomiting, and  diarrhea.
Clindamycin hydrochloride 
Plicamycin
Meropenem
Cefotaxime sodium
Imipenem-Cilastatin
Hetacillin
Cefazolin sodium
Pentamycin