Skip to main content

What the FDA labels say about taking them together

Anagrelide and moxifloxacin

Anagrelide's FDA label of April 8, 2026 names moxifloxacin in its drug interactions section; the moxifloxacin labels PlainMeds reads (3) do not name anagrelide. The anagrelide label: “Drugs that Prolong QT Avoid use of AGRYLIN in patients taking medications that may prolong QT interval.”

Check it at the source: the anagrelide FDA label on DailyMed (effective April 8, 2026, Takeda Pharmaceuticals America, Inc.); the moxifloxacin FDA label on DailyMed (effective March 17, 2026, Macleods Pharmaceuticals Limited).

What does the anagrelide label say about moxifloxacin?

Anagrelide label, drug interactions

Drugs that Prolong QT Avoid use of AGRYLIN in patients taking medications that may prolong QT interval (including, but not limited to, chloroquine, clarithromycin, haloperidol, methadone, moxifloxacin, amiodarone, disopyramide, procainamide, and pimozide) [see Warnings and Precautions (5.1) and Clinical Pharmacology (12.2) ].

Source: FDA drug label (Agrylin), Takeda Pharmaceuticals America, Inc., effective April 8, 2026 (SPL set cb960074-99c1-4a73-941f-f0644a7ec219), via openFDA; the full label on DailyMed

What does the moxifloxacin label say about anagrelide?

Moxifloxacin's label (effective March 17, 2026) and its 2 other brand-application labels do not name anagrelide in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Moxifloxacin), Macleods Pharmaceuticals Limited, effective March 17, 2026 (SPL set 182ecd0f-714f-42f0-9b16-fb604cf15786), 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

3Anagrelide generic labelers
32Moxifloxacin generic labelers
AnagrelideMoxifloxacin
Labeled forn/aBacterial infections
Boxed warningNoYes
Pharmacy cost (NADAC)$0.729 per capsule 0.5 mg capsule$1.60 per mL 0.5% eye drops
Shortage nowA presentation being discontinuedA presentation being discontinued

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

What next?