Comparative Pharmacology
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 8 AND DEXTROSE 5 IN PLASTIC CONTAINER versus POLOCAINE.
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 8 AND DEXTROSE 5 IN PLASTIC CONTAINER versus POLOCAINE.
LIDOCAINE HYDROCHLORIDE 0.8% AND DEXTROSE 5% IN PLASTIC CONTAINER vs POLOCAINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Lidocaine is an amide-type local anesthetic that stabilizes the neuronal membrane by inhibiting sodium ion channels, thereby blocking the initiation and conduction of nerve impulses. It also has antiarrhythmic properties by decreasing automaticity in Purkinje fibers and suppressing ventricular arrhythmias.
Local anesthetic that stabilizes the neuronal membrane by inhibiting the influx of sodium ions, thereby blocking nerve impulse propagation.
Intrathecal administration for spinal anesthesia: 50-100 mg (1.5-2 mL of 5% solution) as a single dose. For continuous epidural or peripheral nerve block, 0.8% solution with dextrose 5% is not typically used; refer to 1-2% lidocaine without dextrose for continuous infusion.
100 mg orally every 12 hours
None Documented
None Documented
Terminal elimination half-life: 1.5-2 hours (adults); prolonged in heart failure (up to 5-8 hours) or hepatic impairment (up to 10-15 hours). Clinically, context indicates redistribution half-life ~8 minutes.
Terminal elimination half-life approximately 1.5-2.0 hours in adults; prolonged to 3-5 hours in hepatic impairment and neonates.
Renal (metabolites: 4-hydroxyxylidine, glycylxylidide, monoethylglycinexylidide; <10% unchanged). Biliary/fecal negligible.
Hepatic metabolism to 2,6-xylidine and 4-hydroxy-2,6-xylidine; <10% excreted unchanged in urine; approximately 70-80% of metabolites excreted renally, with <5% in feces.
Category A/B
Category C
Local Anesthetic / Antiarrhythmic (Class Ib)
Local Anesthetic