Memantine vs Trimethoprim

## Memantine vs Trimethoprim: Overview

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

## Mechanism of Action

**Memantine**: Non-competitive NMDA receptor antagonist.

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

## Pharmacokinetics

**Half-life**: Memantine — 60-80 hours; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Memantine — C12H21N; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Memantine — 179.3080 g/mol; Trimethoprim — 290.3180 g/mol.

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