Captopril vs Loratadine

Captopril vs Loratadine: Overview

This comparison examines the pharmacological differences between Captopril and Loratadine.

Mechanism of Action

Captopril: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

Loratadine: Second-generation H1 antihistamine with minimal CNS effects.

Pharmacokinetics

Half-life: Captopril — 1.9 hours; Loratadine — 8 hours.

Chemical Properties

Molecular Formula: Captopril — C9H15NO3S; Loratadine — C22H23ClN2O2.

Molecular Weight: Captopril — 217.2850 g/mol; Loratadine — 382.8800 g/mol.

Type: Captopril — Small molecule; Loratadine — Small molecule.