They were then asked to measure a 5 mL (1 teaspoon) dose of Tylenol (acetaminophen) suspension, using the EZY Dose oral syringe and the dosing cup provided by the manufacturer. An acceptable dose ...

In addition, 3 other participants did not complete the oral syringe measurement demonstration ... Three (3.1%) subjects measured a subtherapeutic dose (<2.5 mL) with the syringe.