Comparative Pharmacology
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 4 IN DEXTROSE 5 IN PLASTIC CONTAINER versus PARACAINE.
Head-to-head clinical analysis: LIDOCAINE HYDROCHLORIDE 0 4 IN DEXTROSE 5 IN PLASTIC CONTAINER versus PARACAINE.
LIDOCAINE HYDROCHLORIDE 0.4% IN DEXTROSE 5% IN PLASTIC CONTAINER vs PARACAINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Lidocaine is a sodium channel blocker that inhibits depolarization of cardiac myocytes and nerve axons by binding to voltage-gated sodium channels and stabilizing the neuronal membrane, thereby preventing the propagation of action potentials.
Local anesthetic that reversibly blocks sodium channels in neuronal membranes, inhibiting nerve impulse conduction.
Intravenous infusion: 1-4 mg/min (20-50 mcg/kg/min) for cardiac arrhythmias. Bolus: 1-1.5 mg/kg IV, then infusion.
10-20 mg orally every 4-6 hours as needed; maximum 80 mg/day.
None Documented
None Documented
Terminal elimination half-life approximately 1.5-2 hours after bolus, prolonged to 2-4 hours in heart failure or hepatic impairment; continuous infusion may show context-sensitive half-life.
Clinical Note
moderateProparacaine + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Proparacaine is combined with Fluticasone propionate."
Clinical Note
moderateProparacaine + Clemastine
"The risk or severity of adverse effects can be increased when Proparacaine is combined with Clemastine."
Clinical Note
moderateProparacaine + Venlafaxine
"The risk or severity of adverse effects can be increased when Proparacaine is combined with Venlafaxine."
Clinical Note
moderate2.5 hours; prolonged to 8 hours in cirrhosis due to reduced hepatic metabolism
Renal excretion of unchanged drug and metabolites; <10% unchanged in urine, >90% as metabolites (primarily monoethylglycinexylidide and glycinexylidide). Biliary/fecal elimination minimal (<1%).
Renal: 90% (70% unchanged, 20% as paracainol glucuronide); Biliary/Fecal: 10%
Category A/B
Category C
Local Anesthetic / Antiarrhythmic (Class Ib)
Local Anesthetic
Proparacaine + Nefazodone
"The risk or severity of adverse effects can be increased when Proparacaine is combined with Nefazodone."