Ceftizoxime is a third-generation

cephalosporin The cephalosporins (sg. ) are a class of β-lactam antibiotics originally derived from the fungus '' Acremonium'', which was previously known as ''Cephalosporium''. Together with cephamycins, they constitute a subgroup of β-lactam antibio ...

available for parenteral administration. Unlike other third-generation cephalosporins, the whole C-3 side chain in ceftizoxime has been removed to prevent deactivation by hydrolytic enzymes. It rather resembles

cefotaxime Cefotaxime is an antibiotic used to treat several bacterial infections in humans, other animals, and plant tissue culture. Specifically in humans it is used to treat joint infections, pelvic inflammatory disease, meningitis, pneumonia, urin ...

in its properties, but is not subject to

metabolism Metabolism (, from ''metabolē'', "change") is the set of life-sustaining chemical reactions in organisms. The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the co ...

. It was removed from the US Market in 2007.

Synthesis

Injectable third generation cephalosporin antibiotic related to

, q.v. Exhibits broad spectrum activity and resistance to β-lactamase hydrolysis. Ceftizoxime synthesis

References

Cephalosporin antibiotics Thiazoles {{antibiotic-stub