Captopril vs Levofloxacin

## Captopril vs Levofloxacin: Overview

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

## Mechanism of Action

**Captopril**: First orally active ACE inhibitor; contains thiol group that binds zinc at ACE active site.

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

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Levofloxacin — 6-8 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Levofloxacin — C18H20FN3O4.

**Molecular Weight**: Captopril — 217.2850 g/mol; Levofloxacin — 361.3680 g/mol.

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