Ron L A P Hoogenboom et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 32(8), 1256-1264 (2015-06-30)
Lidocaine is a topical anaesthetic drug used in dairy cows for laparotomy (caesarean section, abomasal displacement). Because there are no registered drugs for this indication, it can be applied under the so-called Cascade rules (off-label use), with the restriction that