Citalopram vs Hydromorphone
## Citalopram vs Hydromorphone: Overview
This comparison examines the pharmacological differences between **Citalopram** and **Hydromorphone**.
## Mechanism of Action
**Citalopram**: Selective serotonin reuptake inhibitor (SSRI); racemic mixture with escitalopram as active S-enantiomer.
**Hydromorphone**: Semisynthetic mu-opioid receptor agonist approximately 5 times more potent than morphine.
## Pharmacokinetics
**Half-life**: Citalopram — 35 hours; Hydromorphone — 2-3 hours.
## Chemical Properties
**Molecular Formula**: Citalopram — C20H21FN2O; Hydromorphone — C17H19NO3.
**Molecular Weight**: Citalopram — 324.3920 g/mol; Hydromorphone — 285.3380 g/mol.
**Type**: Citalopram — Small molecule; Hydromorphone — Small molecule.