Acyclovir vs Citalopram

## Acyclovir vs Citalopram: Overview

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

## Mechanism of Action

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

**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.

## Pharmacokinetics

**Half-life**: Acyclovir — 2.5-3.3 hours; Citalopram — 35 hours.

## Chemical Properties

**Molecular Formula**: Acyclovir — C8H11N5O3; Citalopram — C20H21FN2O.

**Molecular Weight**: Acyclovir — 225.2050 g/mol; Citalopram — 324.3920 g/mol.

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