Digoxin vs Levothyroxine

## Digoxin vs Levothyroxine: Overview

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

## Mechanism of Action

**Digoxin**: Inhibits Na+/K+-ATPase, increasing intracellular calcium.

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

## Pharmacokinetics

**Half-life**: Digoxin — 36-48 hours; Levothyroxine — 6-7 days.

## Chemical Properties

**Molecular Formula**: Digoxin — C41H64O14; Levothyroxine — C15H11I4NO4.

**Molecular Weight**: Digoxin — 780.9430 g/mol; Levothyroxine — 776.8700 g/mol.

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