Ranitidine vs Tamoxifen

## Ranitidine vs Tamoxifen: Overview

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

## Mechanism of Action

**Ranitidine**: Competitive H2 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Ranitidine — 2-3 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Ranitidine — C13H22N4O3S; Tamoxifen — C26H29NO.

**Molecular Weight**: Ranitidine — 314.4050 g/mol; Tamoxifen — 371.5150 g/mol.

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