<prompt> Adrenaline is added to lignocaine to prolong its effect and decrease its absorption into blood stream in a ratio of:1:50,0001:100,0001:200,0001:500,000  <response>: 1:10,000- 1:2,00,000 adrenaline is used. . Name of the medicinal product Xylocaine 2 with Adrenaline Epinephrine 1:200,000. 2. Qualitative and quantitative composition Each ml of solution for injection contains lidocaine hydrochloride monohydrate Ph. Eur., equivalent to 20 mg of lidocaine hydrochloride anhydrous 400 mg per 20 ml l, 5 micrograms of adrenaline epinephrine as the acid tarate 100 micrograms per 20 ml l. Excipients with known effect: Each ml of solution also contains 0.5 mg sodium metabisulphite E223, 1 mg methyl parahydroxybenzoate E218 and 2.49 mg of sodium. For the full list of excipients, see section 6.1. 3. Pharmaceutical form Solution for injection 4. Clinical paiculars 4.1 Therapeutic indications Xylocaine 2 with Adrenaline is indicated for regional anaesthesia in adults and children above 12 years of age. From padmaja 4th edition Page no 96 