Cetirizine vs Sertraline
## Cetirizine vs Sertraline: Overview
This comparison examines the pharmacological differences between **Cetirizine** and **Sertraline**.
## Mechanism of Action
**Cetirizine**: Second-generation H1 antihistamine.
**Sertraline**: Selective serotonin reuptake inhibitor (SSRI).
## Pharmacokinetics
**Half-life**: Cetirizine — 6.5-10 hours; Sertraline — 26 hours.
## Chemical Properties
**Molecular Formula**: Cetirizine — C21H25ClN2O3; Sertraline — C17H17Cl2N.
**Molecular Weight**: Cetirizine — 388.8900 g/mol; Sertraline — 306.2290 g/mol.
**Type**: Cetirizine — Small molecule; Sertraline — Small molecule.