Loratadine vs Ranitidine

## Loratadine vs Ranitidine: Overview

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

## Mechanism of Action

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

**Ranitidine**: Competitive H2 receptor antagonist.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Ranitidine — 2-3 hours.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Ranitidine — C13H22N4O3S.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Ranitidine — 314.4050 g/mol.

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