Active ingredient: Meronem IV 500 mg: Meropenem trihydrate 570 mg; equivalent to anhydrous meropenem 500 mg.
Meronem IV 1000 mg: Meropenem trihydrate 1140 mg;
equivalent to anhydrous meropenem 1000 mg.
Excipients/Inactive Ingredients: Meronem IV 500 mg: Anhydrous sodium carbonate 104 mg.
Meronem IV 1000 mg: Anhydrous sodium carbonate 208 mg.
For each gram of meropenem (anhydrous potency) the vial contains 90 mg (3.9 mmol) of sodium.