Trimethoprim vs Valacyclovir

## Trimethoprim vs Valacyclovir: Overview

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

## Mechanism of Action

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

## Pharmacokinetics

**Half-life**: Trimethoprim — 8-10 hours; Valacyclovir — N/A.

## Chemical Properties

**Molecular Formula**: Trimethoprim — C14H18N4O3; Valacyclovir — N/A.

**Molecular Weight**: Trimethoprim — 290.3180 g/mol; Valacyclovir — N/A.

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