Ceftriaxone, sold under the brand name Genxone, is a widely used cephalosporin antibiotic administered via injection to treat a broad range of bacterial infections, including severe cases like pneumonia and meningitis. It works by preventing bacteria from forming their protective cell walls. 

Administration: It is typically administered by a healthcare professional as an intravenous (IV) injection or infusion, or as a deep intramuscular (IM) injection.

Usage: It is used only for bacterial infections and is not effective against viral infections like the common cold or flu.