Aspirin vs Tamoxifen

## Aspirin vs Tamoxifen: Overview

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

## Mechanism of Action

**Aspirin**: Irreversibly inhibits cyclooxygenase-1 and -2.

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

## Pharmacokinetics

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

## Chemical Properties

**Molecular Formula**: Aspirin — C9H8O4; Tamoxifen — C26H29NO.

**Molecular Weight**: Aspirin — 180.1580 g/mol; Tamoxifen — 371.5150 g/mol.

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