Dexamethasone vs Sildenafil

## Dexamethasone vs Sildenafil: Overview

This comparison examines the pharmacological differences between **Dexamethasone** and **Sildenafil**.

## Mechanism of Action

**Dexamethasone**: Potent synthetic glucocorticoid.

**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.

## Pharmacokinetics

**Half-life**: Dexamethasone — 36-54 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Dexamethasone — C22H29FO5; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Dexamethasone — 392.4610 g/mol; Sildenafil — 474.5800 g/mol.

**Type**: Dexamethasone — Small molecule; Sildenafil — Small molecule.