Ertapenem
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Ertapenem is an carbapenem antibiotic marketed under the name INVANZ.
It is similar to the earlier imipenem, but has a longer half-life. The marketing slogan is The Power of One, as the dose is one gram, once a day. It must be given parenterally (by injection or infusion).
It is designed to be more effective against gram-negative bacteria than its predecessor. It is not effective against MRSA or Pseudomonas aeruginosa.