Atenolol vs Trimethoprim

## Atenolol vs Trimethoprim: Overview

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

## Mechanism of Action

**Atenolol**: Cardioselective beta-1 adrenergic receptor blocker without intrinsic sympathomimetic activity.

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

## Pharmacokinetics

**Half-life**: Atenolol — 6-7 hours; Trimethoprim — 8-10 hours.

## Chemical Properties

**Molecular Formula**: Atenolol — C14H22N2O3; Trimethoprim — C14H18N4O3.

**Molecular Weight**: Atenolol — 266.3360 g/mol; Trimethoprim — 290.3180 g/mol.

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