Tetracaine HCl Basic Information:
Pharmaceutical Grade Anesthetic: Tetracaine HCl Powder of Exceptional Purity (CAS 136-47-0)
Lidocaine hydrochloride undergoes rapid metabolism by the liver, with both metabolites and unchanged drug being excreted via the kidneys. This extensive biotransformation involves oxidative N-dealkylation, ring hydroxylation, cleavage of the amide linkage, and conjugation. N-dealkylation, the predominant pathway, produces metabolites monoethylglycinexylidide and glycinexylidide, which exhibit similar but less potent pharmacological/toxicological properties compared to Lidocaine hydrochloride. Approximately 90% of Lidocaine hydrochloride administered is excreted as various metabolites, while less than 10% is excreted unchanged. The primary urinary metabolite is a conjugate of 4-hydroxy-2,6-dimethylaniline.
Lidocaine HCl: A Potent Amide Local Anesthetic
Increasing dosages enhance its efficacy or toxicity, demonstrating anticonvulsive effects at sub-toxic plasma concentrations.
Blood concentrations exceeding 5μg/ml may induce convulsions.











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