Loratadine vs Trastuzumab

## Loratadine vs Trastuzumab: Overview

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

## Mechanism of Action

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

**Trastuzumab**: Anti-HER2 monoclonal antibody inhibiting receptor signaling.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Trastuzumab — 28 days.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Trastuzumab — N/A.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Trastuzumab — N/A.

**Type**: Loratadine — Small molecule; Trastuzumab — Antibody.