Trimethoprim vs Upadacitinib

## Trimethoprim vs Upadacitinib: Overview

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

## Mechanism of Action

**Trimethoprim**: Dihydrofolate reductase inhibitor (bacterial selective).

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

## Pharmacokinetics

**Half-life**: Trimethoprim — 8-10 hours; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Trimethoprim — C14H18N4O3; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Trimethoprim — 290.3180 g/mol; Upadacitinib — 380.3700 g/mol.

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