Shoest acting local anesthetic agent is
Classification Amide type Long acting * Bupivacaine * Levo-Bupivacaine * Ropivacaine * Dibucaine Intermediate acting * Lidocaine (lignocaine) * Mepivacaine * Prilocaine * Aicaine Ester type Long acting * Tetracaine (amethocaine) Intermediate acting * Cocaine Sho acting * Procaine * Chloroprocaine * Benzocaine * Proparacaine i.e. Procaine Ref: willer 10th ed.
Procaine
Lidocaine
Tetracaine
Bupivacaine