Acyclovir vs Tacrolimus

## Acyclovir vs Tacrolimus: Overview

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

## Mechanism of Action

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

**Tacrolimus**: Calcineurin inhibitor binding FKBP12; suppresses IL-2 transcription.

## Pharmacokinetics

**Half-life**: Acyclovir — 2.5-3.3 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Acyclovir — C8H11N5O3; Tacrolimus — C44H69NO12.

**Molecular Weight**: Acyclovir — 225.2050 g/mol; Tacrolimus — 804.0180 g/mol.

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