| Penicillin G Gentamicin or Streptomycin | |
| Cefadroxil Duricef, Cefazolin Ancef, Kefzol, Cephalexin Keflex | |
| Cefotaxime, Ceftriaxone, or Meropenem Dexamethasone Vancomycin | |
| Atypical coverage, covers spirochetes, anthrax, syphillis and urinary VRE, tooth discoloration, fixed drug eruption, pregnancy category D, mineral cations inhibit absorption, increase INR, anticonvulsants decrease tetracycline levels |