Fluoxetine vs Upadacitinib

## Fluoxetine vs Upadacitinib: Overview

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

## Mechanism of Action

**Fluoxetine**: Selective serotonin reuptake inhibitor (SSRI).

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

## Pharmacokinetics

**Half-life**: Fluoxetine — 1-3 days; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Fluoxetine — C17H18F3NO; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Fluoxetine — 309.3260 g/mol; Upadacitinib — 380.3700 g/mol.

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