Practi-Meperidine™ (for training)Practi Meperidine (1 mL) for clinical training. Practi Meperidine 100 mg mL in a 1 mL distilled water vial simulates the drug meperidine (Demerol) used to treat moderate to severe pain. Teach Your Students: Realistic and authentic practice of meperidine (Demerol) drug calculation and administration Small vial handling dexterity techniques Aseptic precautions specific to small vials Small vial air pressure changes air replacement technique Multiple