Pharmacology General aac05bad All of the following are true about ester linked local anesthetics except A All ester linked local anesthetics are metabolized by Pseudocholinesterase except Cocaine B Ester LA's more commonly cause allergic reactions than Amide LA's C Cocaine is the shortest acting ester LA D Procaine is the drug of choice in Malignant hyperthermia High-Yield Explanation Chlorprocaine is the shortest acting ester linked local anesthetic.