Montelukast vs Tacrolimus

## Montelukast vs Tacrolimus: Overview

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

## Mechanism of Action

**Montelukast**: Selective leukotriene D4 receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Montelukast — 2.7-5.5 hours; Tacrolimus — 12 hours.

## Chemical Properties

**Molecular Formula**: Montelukast — C35H36ClNO3S; Tacrolimus — C44H69NO12.

**Molecular Weight**: Montelukast — 586.1800 g/mol; Tacrolimus — 804.0180 g/mol.

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