Citalopram and Carbamazepine Interaction
Drug interaction information between Citalopram and Carbamazepine.
Citalopram and Carbamazepine have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Citalopram and Carbamazepine. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Carbamazepine makes your body break down citalopram faster, which lowers the amount of medicine available to work.
FDA Label Information
In addition, carbamazepine causes, or would be expected to cause, decreased levels of the following drugs, for which monitoring of concentrations or dosage adjustment may be necessary: acetaminophen, albendazole, alprazolam, aprepitant, buprenorphone, bupropion, citalopram, clonazepam, clozapine, corticosteroids (e.g., prednisolone, dexamethasone), cyclosporine, dicumarol, dihydropyridine calcium channel blockers (e.g., felodipine), doxycycline, ethosuximide, everolimus, haloperidol, imatinib, itraconazole, lamotrigine, levothyroxine, methadone, methsuximide, mianserin, midazolam,...
Citalopram Also Interacts With
- Linezolid major
- Pimozide major
- Escitalopram major
- Warfarin moderate
- Phenelzine moderate
Carbamazepine Also Interacts With
- Nirmatrelvir/Ritonavir major
- Ranolazine major
- Risperidone major
- Lithium moderate
- Apixaban moderate
Frequently Asked Questions
What SPL severity band is on file for Citalopram + Carbamazepine?
Compiled FDA labeling labels this pair minor. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Carbamazepine has 129 labeled pairs on file vs Citalopram's 9. In the minor band specifically: Citalopram has 4 (also Buspirone, Lithium, Sertraline); Carbamazepine has 110 (also Omeprazole, Ibuprofen, Amitriptyline, Acetaminophen).
What mechanism field is on file for Citalopram and Carbamazepine?
Carbamazepine makes your body break down citalopram faster, which lowers the amount of medicine available to work.
Carbamazepine's labeled portfolio outnumbers Citalopram
SPL source-record counts only. This page's band is minor · classes on file: Citalopram (Selective Serotonin Reuptake Inhibitor (SSRI)); Carbamazepine (Anticonvulsant).
3 major · 2 moderate · 4 minor · 9 total
- Other minor peers for Citalopram
- Buspirone
- Lithium
- Sertraline
3 major · 16 moderate · 110 minor · 129 total
- Other minor peers for Carbamazepine
- Omeprazole
- Ibuprofen
- Amitriptyline
- Acetaminophen
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.