Levofloxacin vs Sildenafil

## Levofloxacin vs Sildenafil: Overview

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

## Mechanism of Action

**Levofloxacin**: Fluoroquinolone antibiotic inhibiting bacterial DNA gyrase and topoisomerase IV.

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

## Pharmacokinetics

**Half-life**: Levofloxacin — 6-8 hours; Sildenafil — 4 hours.

## Chemical Properties

**Molecular Formula**: Levofloxacin — C18H20FN3O4; Sildenafil — C22H30N6O4S.

**Molecular Weight**: Levofloxacin — 361.3680 g/mol; Sildenafil — 474.5800 g/mol.

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