Comparative Pharmacology
Head-to-head clinical analysis: LIDOCAINE AND PRILOCAINE versus SEPTOCAINE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: LIDOCAINE AND PRILOCAINE versus SEPTOCAINE.
LIDOCAINE AND PRILOCAINE vs SEPTOCAINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Lidocaine and prilocaine are amide-type local anesthetics that stabilize neuronal membranes by inhibiting sodium ion channels, thereby blocking the initiation and conduction of nerve impulses.
Articaine is a local anesthetic of the amide type that stabilizes the neuronal membrane by inhibiting sodium ion influx, thereby blocking nerve impulse conduction.
Apply 2.5 g cream (lidocaine 25 mg/prilocaine 25 mg) to intact skin under occlusive dressing; maximum single application area 400 cm², maximum application time 4 hours. For genital mucous membranes: apply 5-10 g for 5-10 minutes without occlusion. Not recommended for dental use.
SEPTOCAINE (articaine HCl 4% with epinephrine 1:100,000 or 1:200,000) dental infiltration or nerve block: 0.5–1.7 mL (20–68 mg articaine) per injection site; maximum adult dose: 7 mg/kg (up to 500 mg total).
None Documented
None Documented
Lidocaine: 1.5-2 hours; prilocaine: 1.5-2 hours. In hepatic impairment, half-life may be prolonged up to 2-3 times.
Terminal elimination half-life in adults is 2-4 hours. In neonates, it may be prolonged to 8-12 hours due to immature hepatic function.
Renal excretion of metabolites (lidocaine: 70-80% as 4-hydroxy-2,6-xylidine and conjugates; prilocaine: 85-95% as o-toluidine metabolites and conjugates). Less than 10% of parent drugs excreted unchanged.
Primarily hepatic metabolism; less than 10% excreted unchanged in urine. Biliary/fecal elimination is negligible.
Category A/B
Category C
Local Anesthetic / Antiarrhythmic (Class Ib)
Local Anesthetic