Xylocaine (5%w/v) - 20 g Ointment (Lidocaine) drug information. Find its price or cost, dose, when to use, how to use, side effects, adverse effects, substitutes.It prevents nerves from sending painful impulses to the brain. Drug information on Xylocaine ( 5%w/v) (Lidocaine) from AstraZeneca Pharma...