Doxycycline vs Upadacitinib

## Doxycycline vs Upadacitinib: Overview

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

## Mechanism of Action

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

**Upadacitinib**: Selective JAK1 inhibitor reducing signaling from cytokines implicated in autoimmune diseases.

## Pharmacokinetics

**Half-life**: Doxycycline — 18-22 hours; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Doxycycline — C22H24N2O8; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Doxycycline — 444.4350 g/mol; Upadacitinib — 380.3700 g/mol.

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