Local anaesthetics classification

1) Injectable anaesthetics

a) Low potency, short duration

Articaine

Procaine

Chloroprocaine

b) Intermediate potency and duration

Lignocaine

Prilocaine

Mepivacaine

c) High potency, long duration

Tetracaine

Bupivacaine

Ropivacaine

Dibucaine

2) Surface acting anaesthetics

a) Insoluble

Benzocaine

Oxethazaine

Butylaminobenzoate

Tetracaine

Benoxinate

b) Soluble

Cocaine

Lignocaine

Prilocaine applicable (Eutectic mixture Lignocaine+ on intact skin directly)

3) Miscellaneous agents with local action

Phenol

Chlorpromazine

Clove oil

*Amides

Lignocaine

Prilocaine

Bupivacaine

Dibucaine

Ropivacaine

*Esters

Cocaine

Procaine

Chloroprocaine

Tetracaine

Benzocaine