Common LA’s
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Aromatic group (hydrophobic) | Linkage | Chain & Tertiary amine |
Procaine* | PABA ester bond | amino alcohol(diethyl amino ethanol) |
Benzocaine | PABA ester bond | ethanol (NEUTRAL: NOT a weak base) |
Lidocaine | Xylidine amide bond | monoethylglycine |
Mepivacaine | Xylidine amide bond | amino carboxylic acid |
*Procaine causes bleeding because of the alcohol group near the trauma site
Category: Pharmacology Notes
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