Naproxen vs Trimethoprim

## Naproxen vs Trimethoprim: Overview

This comparison examines the pharmacological differences between **Naproxen** and **Trimethoprim**.

## Mechanism of Action

**Naproxen**: Non-selective COX inhibitor.

**Trimethoprim**: Dihydrofolate reductase inhibitor (bacterial selective).

## Pharmacokinetics

**Half-life**: Naproxen — 12-17 hours; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Naproxen — C14H14O3; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Naproxen — 230.2590 g/mol; Trimethoprim — 290.3180 g/mol.

**Type**: Naproxen — Small molecule; Trimethoprim — Small molecule.