Loratadine vs Metoprolol

## Loratadine vs Metoprolol: Overview

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

## Mechanism of Action

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

**Metoprolol**: Selective beta-1 adrenergic receptor blocker.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Metoprolol — 3-7 hours.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Metoprolol — C15H25NO3.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Metoprolol — 267.3640 g/mol.

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