Cetirizine vs Ramipril
## Cetirizine vs Ramipril: Overview
This comparison examines the pharmacological differences between **Cetirizine** and **Ramipril**.
## Mechanism of Action
**Cetirizine**: Second-generation H1 antihistamine.
**Ramipril**: Prodrug converted to ramiprilat; ACE inhibitor.
## Pharmacokinetics
**Half-life**: Cetirizine — 6.5-10 hours; Ramipril — 13-17 hours.
## Chemical Properties
**Molecular Formula**: Cetirizine — C21H25ClN2O3; Ramipril — C23H32N2O5.
**Molecular Weight**: Cetirizine — 388.8900 g/mol; Ramipril — 416.5120 g/mol.
**Type**: Cetirizine — Small molecule; Ramipril — Small molecule.