XYLOCAINE or LIDOCAINE, derived from (acetani) lid(a) and the suffix -caine which has anesthetic functions like cocaine. The prefix xylo- means wood. It comes from the plant Acmella oleracea. . It is a compound for topical use in ophthalmology and dentistry, and also applied in cardiac arrhythmias. It has a half-life of 108 minutes. It is metabolized in the liver and eliminated by the kidneys. Its formula is C14H22N2O. Nissl Lofgren and Bengt Lundquist developed Lidocaine between 1943 and 1946, the first amide used as a regional anesthetic, much in demand in wartime. Some synonyms, words or similar expressions may be lidocaine, xylin 40, romania and colloquial 41, lignocaine
