What the FDA labels say about taking them together
Chlorpromazine and citalopram
Citalopram's FDA label of October 9, 2023 names chlorpromazine in its warnings and precautions section; the chlorpromazine label PlainMeds reads does not name citalopram.
Check it at the source: the chlorpromazine FDA label on DailyMed (effective May 12, 2026, Amneal Pharmaceuticals NY LLC); the citalopram FDA label on DailyMed (effective October 9, 2023, Allergan, Inc.).
What does the chlorpromazine label say about citalopram?
Chlorpromazine's label (effective May 12, 2026) does not name citalopram in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (CHLORPROMAZINE HYDROCHLORIDE), Amneal Pharmaceuticals NY LLC, effective May 12, 2026 (SPL set aa086a21-de85-4b03-af58-49b70acf8cf0), via openFDA; the full label on DailyMed
What does the citalopram label say about chlorpromazine?
Citalopram label, warnings and precautionsSuch drugs include Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to prolong the QTc interval (e.g., pentamidine, levomethadyl acetate, methadone).
Source: FDA drug label (Celexa), NDA020822 (Abbvie), as published by Allergan, Inc., effective October 9, 2023 (SPL set 4259d9b1-de34-43a4-85a8-41dd214e9177), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Chlorpromazine | Citalopram | |
|---|---|---|
| Labeled for | Schizophrenia, Nausea and vomiting | Depression |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.552 per tablet 100 mg tablet | $0.026 per tablet 10 mg tablet |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once