Gefitinib vs Loratadine

## Gefitinib vs Loratadine: Overview

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

## Mechanism of Action

**Gefitinib**: Selective reversible inhibitor of EGFR tyrosine kinase.

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

## Pharmacokinetics

**Half-life**: Gefitinib — 48 hours; Loratadine — 8 hours.

## Chemical Properties

**Molecular Formula**: Gefitinib — C22H24ClFN4O3; Loratadine — C22H23ClN2O2.

**Molecular Weight**: Gefitinib — 446.9000 g/mol; Loratadine — 382.8800 g/mol.

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