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What the FDA labels say about taking them together

Citalopram and gatifloxacin

Citalopram's FDA label of October 9, 2023 names gatifloxacin in its warnings and precautions section; the gatifloxacin label PlainMeds reads does not name citalopram.

Check it at the source: the citalopram FDA label on DailyMed (effective October 9, 2023, Allergan, Inc.); the gatifloxacin FDA label on DailyMed (effective September 8, 2016, Allergan, Inc.).

What does the citalopram label say about gatifloxacin?

Citalopram label, warnings and precautions

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).

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

What does the gatifloxacin label say about citalopram?

Gatifloxacin's label (effective September 8, 2016) 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 (ZYMAXID), NDA022548 (Abbvie), as published by Allergan, Inc., effective September 8, 2016 (SPL set 1160b16c-929a-4e85-9c0b-1d8c96a7678b), 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

35Citalopram generic labelers
3Gatifloxacin generic labelers
CitalopramGatifloxacin
Labeled forDepressionn/a
Boxed warningYesNo
Pharmacy cost (NADAC)$0.026 per tablet 10 mg tablet$8.85 per mL 0.5% eye drops
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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