Azithromycin for Injection can be prepared using either 5% dextrose solution or saline. The instructions for Azithromycin for Injection recommend the following preparation method: Add 4.8 ml of sterilized water for injection to a 500 mg vial and shake until the drug is completely dissolved so that each ml of solution contains 100 mg of azithromycin. Then add 5 ml of the 100 mg/ml azithromycin solution to any of the following solutions: Saline (0.9% NaCl); 1/2 saline (0.45% NaCl); 5% dextrose solution; Sodium lactate Ringer’s solution; 5% dextrose + 1/2 saline (0.45% NaCl) Containing 20 mmol/l potassium chloride; 5% dextrose sodium lactate Ringer’s solution; 5% dextrose + 1/3 saline (0.3% NaCl); 5% dextrose + 1 /2 saline (0.45% NaCl); Normosol-M 5% dextrose solution; Normosol-R 5% dextrose solution; and others. Final Infusion Concentration (mg/mL) The volume of diluent (mL) is 1.0 mg/mL 500 mL or 2.0 mg/mL 250 mL. If you need to prepare Azithromycin for Injection, it is recommended to be handled by a medical professional.