What the FDA labels say about taking them together
Dopamine and haloperidol
Dopamine's FDA label (Dopamine Hydrochloride And Dextrose) of November 11, 2020 names haloperidol in its drug interactions section; the haloperidol labels PlainMeds reads (2) do not name dopamine. The dopamine label: “Butyrophenones (such as haloperidol) and phenothiazines can suppress the dopaminergic renal and mesenteric vasodilation induced with low-dose dopamine infusion.”
Check it at the source: the dopamine FDA label on DailyMed (effective May 12, 2026, Hospira, Inc.); the haloperidol FDA label on DailyMed (effective April 23, 2026, PD-Rx Pharmaceuticals, Inc.).
What does the dopamine label say about haloperidol?
Dopamine Hydrochloride And Dextrose label (Baxter Healthcare Corporation, November 11, 2020), drug interactionsButyrophenones (such as haloperidol) and phenothiazines can suppress the dopaminergic renal and mesenteric vasodilation induced with low-dose dopamine infusion.
Source: FDA drug label (Dopamine Hydrochloride And Dextrose, NDA019615), Baxter Healthcare Corporation, effective November 11, 2020 (SPL set cb97d4a0-89ed-407c-a763-209386b6f75c), via openFDA
Source: FDA drug label (Dopamine Hydrochloride in Dextrose), Hospira, Inc., effective May 12, 2026 (SPL set 08f23f6e-150d-45ea-098e-f2edf64c21a1), via openFDA; the full label on DailyMed
What does the haloperidol label say about dopamine?
Haloperidol's label (effective April 23, 2026) and its 1 other brand-application label do not name dopamine 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
| Dopamine | Haloperidol | |
|---|---|---|
| Labeled for | n/a | Schizophrenia |
| Boxed warning | No | Yes |
| Pharmacy cost (NADAC) | n/a | $15.60 per mL 100 mg/mL vial |
| Shortage now | In shortage | 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