Paroxetine vs Tamoxifen

## Paroxetine vs Tamoxifen: Overview

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

## Mechanism of Action

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

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

## Pharmacokinetics

**Half-life**: Paroxetine — 21 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Paroxetine — C19H20FNO3; Tamoxifen — C26H29NO.

**Molecular Weight**: Paroxetine — 329.3730 g/mol; Tamoxifen — 371.5150 g/mol.

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