<prompt> The following statements about Bupivacaine are true exceptMust never be injected into a veinMore cardiotoxic than lignocaine0.5 percent is effective for sensory blockIt produces methaemoglobinemia  <response>: Prilocaine is the local anesthetic that produces methemoglobinemia as an adverse effect. All other statements are true. Ref: K D Tripathi; 7th edition; Page no 367 