Loratadine vs Tamoxifen

## Loratadine vs Tamoxifen: Overview

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

## Mechanism of Action

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

**Tamoxifen**: Selective estrogen receptor modulator (SERM).

## Pharmacokinetics

**Half-life**: Loratadine — 8 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Loratadine — C22H23ClN2O2; Tamoxifen — C26H29NO.

**Molecular Weight**: Loratadine — 382.8800 g/mol; Tamoxifen — 371.5150 g/mol.

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