Cefazolin Antibiotic-cephalosporin. Powder for the preparation of solution for intravenous and intramuscular injection of 1 g. Cefotaxime Antibiotic-cephalosporin. Powder for the preparation of solution for intravenous and intramuscular injection of 1000 mg. Ceftriaxone Antibiotic-cephalosporin. Powder for the preparation of solution for intravenous and intramuscular injection of 1000 mg.