Cetirizine vs Valsartan
## Cetirizine vs Valsartan: Overview
This comparison examines the pharmacological differences between **Cetirizine** and **Valsartan**.
## Mechanism of Action
**Cetirizine**: Second-generation H1 antihistamine.
**Valsartan**: Angiotensin II type 1 receptor blocker.
## Pharmacokinetics
**Half-life**: Cetirizine — 6.5-10 hours; Valsartan — 6 hours.
## Chemical Properties
**Molecular Formula**: Cetirizine — C21H25ClN2O3; Valsartan — C24H29N5O3.
**Molecular Weight**: Cetirizine — 388.8900 g/mol; Valsartan — 435.5190 g/mol.
**Type**: Cetirizine — Small molecule; Valsartan — Small molecule.