Each vial contains 40 mg parecoxib (present as 42.36 mg parecoxib sodium) for reconstitution with 2 mL of solvent. After reconstitution, the final concentration of parecoxib is 20 mg/mL.
When reconstituted in sodium chloride 9 mg/mL (0.9%) solution, Dynastat contains approximately 0.44 mEq of sodium per vial.
Excipients/Inactive Ingredients: Dibasic sodium phosphate anhydrous, Phosphoric acid, Sodium hydroxide, Water for Injection, Nitrogen.