Moxifloxacin vs Sildenafil
## Moxifloxacin vs Sildenafil: Overview
This comparison examines the pharmacological differences between **Moxifloxacin** and **Sildenafil**.
## Mechanism of Action
**Moxifloxacin**: Fourth-generation fluoroquinolone inhibiting DNA gyrase and topoisomerase IV with enhanced anaerobic activity.
**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.
## Pharmacokinetics
**Half-life**: Moxifloxacin — 12 hours; Sildenafil — 4 hours.
## Chemical Properties
**Molecular Formula**: Moxifloxacin — C21H24FN3O4; Sildenafil — C22H30N6O4S.
**Molecular Weight**: Moxifloxacin — 401.4350 g/mol; Sildenafil — 474.5800 g/mol.
**Type**: Moxifloxacin — Small molecule; Sildenafil — Small molecule.