Comparative Pharmacology
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 2 IN DEXTROSE 5 versus VIVACAINE.
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 2 IN DEXTROSE 5 versus VIVACAINE.
LIDOCAINE HYDROCHLORIDE 0.2% IN DEXTROSE 5% vs VIVACAINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Lidocaine is a local anesthetic that stabilizes neuronal membranes by inhibiting sodium ion influx, thereby blocking initiation and conduction of nerve impulses.
VIVACAINE is a local anesthetic that blocks the generation and conduction of nerve impulses by decreasing sodium ion permeability across the neuronal membrane.
1-1.5 mg/kg IV bolus over 2-3 minutes, followed by continuous IV infusion of 1-4 mg/min for ventricular arrhythmias; maximum 3 mg/kg (or 200-300 mg) over 1 hour.
5-10 mL of 1% solution (50-100 mg) via submucosal infiltration or nerve block; maximum 500 mg per procedure.
None Documented
None Documented
Terminal elimination half-life: 1.5-2 hours (adults); prolonged in heart failure (up to 4-6 hours) or hepatic impairment (up to 5-7 hours).
Terminal elimination half-life: 6–8 hours in healthy adults. In patients with hepatic impairment, half-life may be prolonged up to 12–15 hours; in severe renal impairment (CrCl <30 mL/min), half-life may extend to 10–12 hours.
Renal: ~90% as metabolites and <10% unchanged. Biliary/fecal: minor (<1%).
Renal excretion of unchanged drug and metabolites accounts for approximately 85–90% of elimination, with about 10–15% excreted in feces via biliary clearance. Less than 2% of the dose is recovered unchanged in urine; the remainder is as glucuronide conjugates and other metabolites.
Category A/B
Category C
Local Anesthetic / Antiarrhythmic (Class Ib)
Local Anesthetic