Adrenaline is added to Lignocaine injection for: March 2007: (A) Less bleeding at the site, (B) Higher doses can be given, (C) Prolonged duration of action, (D) All of the above
Answer is D. Ans. D: All of the above Adrenaline is a local vasoconstrictor, so using adrenaline only with sho acting agents such as Lignocaine has advantages, like: Less bleeding at the site (local infiltration). Less systemic absorption, and consequently lower toxicity and possibility of giving a higher dose. Prolonged duration of action.