SPL Set ID: 22d6534c-4488-48a1-8d78-e2fb908259de

Ceftazidime is a semisynthetic, broad-spectrum, beta-lactam antibacterial drug for parenteral administration. It is the pentahydrate of pyridinium, 1-[[7-[[(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, hydroxide, inner salt, [6R-[6α,7β(Z)]]. It has the following structural formula: The molecular formula is C 22 H 22 N 6 O 7 S 2 ●5H 2 O, representing a molecular weight of 636.65. Ceftazidime for injection, USP is a sterile, dry-powdered mixture of ceftazidime pentahydrate and sodium carbonate. The sodium carbonate at a concentration of 118 mg/g of ceftazidime activity has been admixed to facilitate dissolution. The total sodium content of the mixture is approximately 54 mg (2.3 mEq)/g of ceftazidime activity. Ceftazidime for injection, USP is a white to cream-colored crystalline powder. Solutions of ceftazidime for injection, USP range in color from light yellow to amber, depending on the diluent and volume used. The pH of freshly constituted solutions usually ranges from 5 to 8. Ceftazidime for injecton, USP in sterile crystalline form is supplied in 6 gram Pharmacy Bulk Package bottles equivalent to 6 grams of anhydrous ceftazidime. The Pharmacy Bulk Package bottle contains 708 mg of sodium carbonate. The sodium content is approximately 54 mg (2.3 mEq) per gram of ceftazidime. The 6 g Pharmacy Bulk Package bottle is a container of sterile preparation for parenteral use that contains many single doses. The contents are intended for use in a pharmacy admixture program and are restricted to the preparation of admixtures for intravenous use. THE 6 g PHARMACY BULK PACKAGE IS NOT FOR DIRECT INFUSION. FURTHER DILUTION IS REQUIRED BEFORE USE. ( See DOSAGE AND ADMINISTRATION – Directions for Proper Use of Pharmacy Bulk Package). structual formula