Which of the following local anesthetic should be avoided in spinal anesthesia?: (A) Mepivacaine, (B) Prilocaine, (C) Bupivacaine, (D) Chlorprocaine
Answer is D. Chlorprocaine is avoided in spinal anesthesia as it can cause spinal paraplegia because of a neurotoxic compound sodium metabisulphite, which is used as a preservative.