Which of the following doesn't belong to ester group of local anaesthetics:: (A) Chlorprocaine, (B) Tetracaine, (C) Benzocaine, (D) Dibucaine
Answer is D. Ans: (d) DibucaineRef: KDT 6th ed. / 352* Dibucaine is amide group of local anesthetics.ESTER and AMIDESEster (one Tin name)Amides (2 Tin name)* Cocaine* Benzocaine* Chlorprocaine* Tetracaine* Lignocaine* Bupivacaine* Prilocaine* Dibucaine* EtidocaineRemember: Amide group of LA contain "2 i" in their names.* All LA causes causes vasodilation and hypotension, EXCEPT Cocaine. It causes vasoconstriction and significant rise in BP.