Cetirizine vs Ibuprofen
## Cetirizine vs Ibuprofen: Overview
This comparison examines the pharmacological differences between **Cetirizine** and **Ibuprofen**.
## Mechanism of Action
**Cetirizine**: Second-generation H1 antihistamine.
**Ibuprofen**: Non-selective COX inhibitor reducing prostaglandin synthesis.
## Pharmacokinetics
**Half-life**: Cetirizine — 6.5-10 hours; Ibuprofen — 2-4 hours.
## Chemical Properties
**Molecular Formula**: Cetirizine — C21H25ClN2O3; Ibuprofen — C13H18O2.
**Molecular Weight**: Cetirizine — 388.8900 g/mol; Ibuprofen — 206.2810 g/mol.
**Type**: Cetirizine — Small molecule; Ibuprofen — Small molecule.