Doxycycline vs Tacrolimus

## Doxycycline vs Tacrolimus: Overview

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

## Mechanism of Action

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

**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Tacrolimus — C44H69NO12.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Tacrolimus — 804.0180 g/mol.

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