Captopril vs Tamsulosin

## Captopril vs Tamsulosin: Overview

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

## Mechanism of Action

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

**Tamsulosin**: Selective alpha-1A adrenergic receptor antagonist.

## Pharmacokinetics

**Half-life**: Captopril — 1.9 hours; Tamsulosin — 10-13 hours.

## Chemical Properties

**Molecular Formula**: Captopril — C9H15NO3S; Tamsulosin — C20H28N2O5S.

**Molecular Weight**: Captopril — 217.2850 g/mol; Tamsulosin — 408.5100 g/mol.

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