Cimetidine vs Esomeprazole
## Cimetidine vs Esomeprazole: Overview
This comparison examines the pharmacological differences between **Cimetidine** and **Esomeprazole**.
## Mechanism of Action
**Esomeprazole**: S-isomer of omeprazole; proton pump inhibitor irreversibly blocking gastric H+/K+-ATPase.
## Pharmacokinetics
**Half-life**: Cimetidine — N/A; Esomeprazole — 1-1.5 hours.
## Chemical Properties
**Molecular Formula**: Cimetidine — N/A; Esomeprazole — C17H19N3O3S.
**Molecular Weight**: Cimetidine — N/A; Esomeprazole — 345.4170 g/mol.
**Type**: Cimetidine — Small molecule; Esomeprazole — Small molecule.