Doses – Maximum Recomended Dose – 4.4mg/kg.The dosageadministered to the patientwill depend on thebody size, age and the type of dental work being performed.mg/ Cartrage (1.8ml) Concentration of adrenaline – 0.023mgThe volume ofWarren Lignox Lignocaine 2% A – till2.3 mlActive ingredient -Adrenaline (epinephrine) acid tartrate; Lidocaine (lignocaine) hydrochloride.Onset – 2 – 3 minutesWarren Lignox Lignocaine 2% A -contains adrenaline (also known as epinephrine) to make it last longer.Adrenaline (epinephrine) makes the blood vessels at the site of injection narrower, which means the patientbleeds less and it is easier for thedentist to see what is happening.