Loratadine vs Quetiapine

## Loratadine vs Quetiapine: Overview

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

## Mechanism of Action

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

**Quetiapine**: Atypical antipsychotic; antagonist at multiple receptors.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Quetiapine — 6 hours.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Quetiapine — C21H25N3O2S.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Quetiapine — 383.5100 g/mol.

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