Local anaesthetic with prolonged action
Dibucaine is the longest acting local anaestheticChlorprocaine is the shoest acting local anaestheticDecreasing order of duration: Dibucaine >Bupivacine= Tetracaine = Ropivacaine=Etidocaine > Prilocaine = lignocaine =Mepivacaine = Cocaine >Procaine >Chloprocaine(Refer: stoelting's pharmacology and physiology in anaesthetic practice, 5th edition, pg no.290,304)
Procaine
Cocaine
Lidocaine
Dibucaine
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