Loratadine vs Lorazepam

## Loratadine vs Lorazepam: Overview

This comparison examines the pharmacological differences between **Loratadine** and **Lorazepam**.

## Mechanism of Action

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

**Lorazepam**: Intermediate-acting benzodiazepine enhancing GABA-A receptor chloride conductance.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Lorazepam — 10-20 hours.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Lorazepam — C15H10Cl2N2O2.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Lorazepam — 321.1580 g/mol.

**Type**: Loratadine — Small molecule; Lorazepam — Small molecule.