Multidrug-Resistant Gram-Negative Bacilli (MDR-GNB)

  Gram-negative bacilli have been a source of healthcare-associated infections for many years and may be found in patients in virtually all healthcare settings as either infection or colonization. In recent years, multidrug-resistant gram-negative organisms have increased in nearly all healthcare settings. Though resistance to any class of antibiotic can occur, it occurs mainly among […]

Methicillin-Resistant Staphylococcus aureus (MRSA)

 Methicillin-resistant S. aureus is a variant of S. aureus which is considered to be resistant to all beta-lactam antibiotics (including penicillins, cephalosporins, and cephamicins). It may also be resistant to one or more other classes of antibiotics. By definition, MRSA must be resistant to one of the following semi-synthetic penicillins: methicillin, oxacillin, or nafcillin. Treatment […]