Lidocaine toxicity. Lidocaine is a medication that is used to assist control ache. It's often given with fluids injected all through liposuction. Although lidocaine usually is secure, lidocaine toxicity occasionally can arise, inflicting serious heart and valuable frightened device problems.The hazard of headaches rises if the surgeon works on larger frame surfaces or does multiple approaches in the course of the identical operation. Talk to the health practitioner about how those risks observe to you.