Cephalexin vs Esomeprazole
## Cephalexin vs Esomeprazole: Overview
This comparison examines the pharmacological differences between **Cephalexin** and **Esomeprazole**.
## Mechanism of Action
**Cephalexin**: First-generation cephalosporin inhibiting cell wall synthesis.
**Esomeprazole**: S-isomer of omeprazole; proton pump inhibitor irreversibly blocking gastric H+/K+-ATPase.
## Pharmacokinetics
**Half-life**: Cephalexin — 0.5-1.2 hours; Esomeprazole — 1-1.5 hours.
## Chemical Properties
**Molecular Formula**: Cephalexin — C16H17N3O4S; Esomeprazole — C17H19N3O3S.
**Molecular Weight**: Cephalexin — 347.3890 g/mol; Esomeprazole — 345.4170 g/mol.
**Type**: Cephalexin — Small molecule; Esomeprazole — Small molecule.