Amlodipine vs Cetirizine
## Amlodipine vs Cetirizine: Overview
This comparison examines the pharmacological differences between **Amlodipine** and **Cetirizine**.
## Mechanism of Action
**Amlodipine**: Dihydropyridine calcium channel blocker.
**Cetirizine**: Second-generation H1 antihistamine.
## Pharmacokinetics
**Half-life**: Amlodipine — 30-50 hours; Cetirizine — 6.5-10 hours.
## Chemical Properties
**Molecular Formula**: Amlodipine — C20H25ClN2O5; Cetirizine — C21H25ClN2O3.
**Molecular Weight**: Amlodipine — 408.8800 g/mol; Cetirizine — 388.8900 g/mol.
**Type**: Amlodipine — Small molecule; Cetirizine — Small molecule.