Citalopram vs Sumatriptan
## Citalopram vs Sumatriptan: Overview
This comparison examines the pharmacological differences between **Citalopram** and **Sumatriptan**.
## Mechanism of Action
**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.
**Sumatriptan**: Selective 5-HT1B/1D receptor agonist.
## Pharmacokinetics
**Half-life**: Citalopram — 35 hours; Sumatriptan — 2.5 hours.
## Chemical Properties
**Molecular Formula**: Citalopram — C20H21FN2O; Sumatriptan — C14H21N3O2S.
**Molecular Weight**: Citalopram — 324.3920 g/mol; Sumatriptan — 295.4020 g/mol.
**Type**: Citalopram — Small molecule; Sumatriptan — Small molecule.