Atenolol vs Loratadine

## Atenolol vs Loratadine: Overview

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

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

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

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Loratadine — 382.8800 g/mol.

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