Doxycycline vs Tamoxifen

## Doxycycline vs Tamoxifen: Overview

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

## Mechanism of Action

**Doxycycline**: Inhibits bacterial protein synthesis by binding 30S ribosomal subunit.

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

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Tamoxifen — 5-7 days.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Tamoxifen — C26H29NO.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Tamoxifen — 371.5150 g/mol.

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