Acetaminophen vs Metformin

## Acetaminophen vs Metformin: Overview

This comparison examines the pharmacological differences between **Acetaminophen** and **Metformin**.

## Mechanism of Action

**Acetaminophen**: Inhibits prostaglandin synthesis in the CNS and peripherally blocks pain impulse generation.

**Metformin**: Activates AMP-activated protein kinase, decreasing hepatic glucose production.

## Pharmacokinetics

**Half-life**: Acetaminophen — 1-4 hours; Metformin — 4-9 hours.

## Chemical Properties

**Molecular Formula**: Acetaminophen — C8H9NO2; Metformin — C4H11N5.

**Molecular Weight**: Acetaminophen — 151.1630 g/mol; Metformin — 129.1640 g/mol.

**Type**: Acetaminophen — Small molecule; Metformin — Small molecule.