Citalopram and Lumateperone interaction
Citalopram and Lumateperone: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Citalopram label · effective 2025-10-07
Such 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).
From the Lumateperone (CAPLYTA) label · effective 2025-06-20
Monitor all antidepressant-treated patients, especially during the initial few months of anti-depressant drug therapy, and at times of dosage changes.
Serotonin Reuptake Inhibitors Prevention or Management Increased monitoring for SRI- associated adverse reactions is recommended.
Clinical Impact Although no clinically significant drug interactions with adjunctive SSRI/SNRIs in MDD were observed in CAPLYTA clinical trials, CAPLYTA’s moderate serotonin transporter (SERT) activity may increase the risk of SRI-associated adverse reactions (e.g., serotonin syndrome, hyponatremia). * See www.fda.gov/CYPandTransporterInteractingDrugs for examples…
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.