Hydrochlorothiazide vs Levothyroxine

## Hydrochlorothiazide vs Levothyroxine: Overview

This comparison examines the pharmacological differences between **Hydrochlorothiazide** and **Levothyroxine**.

## Mechanism of Action

**Hydrochlorothiazide**: Inhibits Na+/Cl- cotransporter in distal convoluted tubule.

**Levothyroxine**: Synthetic thyroid hormone T4 replacement.

## Pharmacokinetics

**Half-life**: Hydrochlorothiazide — 6-15 hours; Levothyroxine — 6-7 days.

## Chemical Properties

**Molecular Formula**: Hydrochlorothiazide — C7H8ClN3O4S2; Levothyroxine — C15H11I4NO4.

**Molecular Weight**: Hydrochlorothiazide — 297.7400 g/mol; Levothyroxine — 776.8700 g/mol.

**Type**: Hydrochlorothiazide — Small molecule; Levothyroxine — Small molecule.