Clean the diluent and medication vial stoppers with an alcohol pad. Draw the diluent into the syringe as you would fill a syringe from a vial. Then inject diluent into powdered medication vial.* After passively recapping needle, invert vial until all powder is dissolved. Use caution when inverting vial; some medications should not be agitated vigorously. Clean vial stopper again, uncap needle and pierce stopper a second time to withdraw the prescribed dose.