Loratadine vs Rituximab

## Loratadine vs Rituximab: Overview

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

## Mechanism of Action

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

**Rituximab**: Chimeric anti-CD20 IgG1 monoclonal antibody inducing B-cell depletion via CDC, ADCC, and apoptosis.

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Rituximab — 22 days.

## Chemical Properties

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

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

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