Citalopram vs Sitagliptin
## Citalopram vs Sitagliptin: Overview
This comparison examines the pharmacological differences between **Citalopram** and **Sitagliptin**.
## Mechanism of Action
**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.
**Sitagliptin**: DPP-4 inhibitor increasing incretin levels.
## Pharmacokinetics
**Half-life**: Citalopram — 35 hours; Sitagliptin — 12.4 hours.
## Chemical Properties
**Molecular Formula**: Citalopram — C20H21FN2O; Sitagliptin — C16H15F6N5O.
**Molecular Weight**: Citalopram — 324.3920 g/mol; Sitagliptin — 407.3140 g/mol.
**Type**: Citalopram — Small molecule; Sitagliptin — Small molecule.