Classification of Local Anesthetics

Classification of Local Anesthetics

A:Chemical Classification of Local Anesthetics

Amides:
Dibucaine,
Articaine,
Lidocaine,
Mepivacaine,
Prilocaine,
Bupivacaine,
Ropivacaine.
Esters:
Cocaine,
Procaine,
Benzocaine,
Chloroprocaine,
Tetracaine.
Ethers:
Pramoxine
Ketones:
Dyelonine
Phenetidine Derivatives:
Phenacaine
Alcohols:
Ethyl alcohol,
Benzyl alcohol
Miscellaneous:
Ethyl chloride,
Phenol,
Eugenol

B:Classification of Local Anesthetics According To Duration of Action

a) Short Acting:
ESTERS:
Procaine,
Chloroprocaine
AMIDES:
---
b) Intermediate Acting:
ESTERS:
Cocaine
AMIDES:
Lidocaine,
Mepivacaine,
Prilocaine
c) Long Acting:
ESTERS:
Tetracaine
AMIDES:
Bupivacaine,
Levobupibacaine,
Etidocaine

C: Therapeutic Classification of Local Anesthetics

a) Local Anesthetics Used for topical application:
Cocaine,
Benzocaine,
tetracaine,
Lidocaine,
Benzyl alcohol
b) Local AnestheticsUsed for peripheral nerve block:
Mepivacaine,
Bupivacaine,
Chloroprocaine
c) Local Anesthetics Used for injection:
Procaine
d) Local Anesthetics Used for dual purposes:
· Chloroprocaine ( peripheral nerve block and injection)
· Lidocaine ( topical and injection)
· Amethocaine ( topical and injection)