Paroxetine vs Trimethoprim

## Paroxetine vs Trimethoprim: Overview

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

## Mechanism of Action

**Paroxetine**: Potent selective serotonin reuptake inhibitor with additional muscarinic and NE reuptake inhibition.

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

## Pharmacokinetics

**Half-life**: Paroxetine — 21 hours; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Paroxetine — C19H20FNO3; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Paroxetine — 329.3730 g/mol; Trimethoprim — 290.3180 g/mol.

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