What the FDA labels say about taking them together
Anagrelide and haloperidol
Anagrelide's FDA label of April 8, 2026 names haloperidol in its drug interactions section; the haloperidol labels PlainMeds reads (2) 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 haloperidol FDA label on DailyMed (effective April 23, 2026, PD-Rx Pharmaceuticals, Inc.).
What does the anagrelide label say about haloperidol?
Anagrelide label, drug interactionsDrugs 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 haloperidol label say about anagrelide?
Haloperidol's label (effective April 23, 2026) and its 1 other brand-application label 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 (Haloperidol), PD-Rx Pharmaceuticals, Inc., effective April 23, 2026 (SPL set 533b0b4c-cbd6-4ec0-a333-8b04b5b43a1d), 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
| Anagrelide | Haloperidol | |
|---|---|---|
| Labeled for | n/a | Schizophrenia |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | $0.729 per capsule 0.5 mg capsule | $15.60 per mL 100 mg/mL vial |
| Shortage now | A presentation being discontinued | A 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?
- Check more medicines together
- up to five at once