Definition of "ceftriaxone" []

• A semisynthetic analogue of cephalosporin, C18H16N8Na2O7S3, that is administered parenterally and has a broad spectrum of antibiotic activity. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "But Rocephin, also called ceftriaxone, is a beta-lactam antibiotic, which means it works against pneumococcal pneumonia, but would not be effective if it were given to a MRSA pneumonia victim."
• "Most families struggle to afford Bactrim, amoxicillin, and ceftriaxone."
• "During the study period, the percentage of gonorrhea samples exhibiting elevated MICs rose from 0.2 to 1.4 percent of samples for cefixime (an oral cephalosporin) and from 0.1 to 0.3 percent for ceftriaxone (an injectable cephalosporin)."