Cetirizine vs Lansoprazole
## Cetirizine vs Lansoprazole: Overview
This comparison examines the pharmacological differences between **Cetirizine** and **Lansoprazole**.
## Mechanism of Action
**Cetirizine**: Second-generation H1 antihistamine.
**Lansoprazole**: Proton pump inhibitor.
## Pharmacokinetics
**Half-life**: Cetirizine — 6.5-10 hours; Lansoprazole — 1.5 hours.
## Chemical Properties
**Molecular Formula**: Cetirizine — C21H25ClN2O3; Lansoprazole — C16H14F3N3O2S.
**Molecular Weight**: Cetirizine — 388.8900 g/mol; Lansoprazole — 369.3620 g/mol.
**Type**: Cetirizine — Small molecule; Lansoprazole — Small molecule.