<prompt> Percentage of adrenaline with lignocaine for local infilteration is?0.7361111111:100000.1111111111:50000  <response>: Ans. is d i.e., 1:50000 The most common concentrations of epinephrine combined with local anaesthetics are 1:50,000 0.02 mgml, 1:100,000 0.01 mgml and :200000 0.005 mgml. The 1:50000 concentration is manufactured in combination with 2 lidocaine. The 1:100,000 concentration is manufactured in combination with 2 lidocaine and 4 aicaine. The 1:200,000 concentration is manufacture in combination with 4 prilocaine, 4 aicaine and 0.5 bupivacaine 