Metoprolol vs Trimethoprim
## Metoprolol vs Trimethoprim: Overview
This comparison examines the pharmacological differences between **Metoprolol** and **Trimethoprim**.
## Mechanism of Action
**Metoprolol**: Selective beta-1 adrenergic receptor blocker.
**Trimethoprim**: Dihydrofolate reductase inhibitor (bacterial selective).
## Pharmacokinetics
**Half-life**: Metoprolol — 3-7 hours; Trimethoprim — 8-10 hours.
## Chemical Properties
**Molecular Formula**: Metoprolol — C15H25NO3; Trimethoprim — C14H18N4O3.
**Molecular Weight**: Metoprolol — 267.3640 g/mol; Trimethoprim — 290.3180 g/mol.
**Type**: Metoprolol — Small molecule; Trimethoprim — Small molecule.