Acyclovir vs Upadacitinib

## Acyclovir vs Upadacitinib: Overview

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

## Mechanism of Action

**Acyclovir**: Guanosine analogue inhibiting viral DNA polymerase.

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

## Pharmacokinetics

**Half-life**: Acyclovir — 2.5-3.3 hours; Upadacitinib — 9-14 hours.

## Chemical Properties

**Molecular Formula**: Acyclovir — C8H11N5O3; Upadacitinib — C17H19F3N6O.

**Molecular Weight**: Acyclovir — 225.2050 g/mol; Upadacitinib — 380.3700 g/mol.

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