Haloperidol Decanoate
Brand names: Haloperidol Decanoate 100, Haloperidol Decanoate
At a glance
- Medicare prescriptions, 2024
- 262,784
- Medicare drug cost
- $12.8M
- Average cost per prescription
- $48.76
- Clinicians who prescribed it
- 8,018
Where it is prescribed
List the prescribers in any state, county, city or ZIP code →
What it is used for
Haloperidol decanoate injection is indicated for the treatment of schizophrenia in adults who were previously taking a stable dosage of an immediate-release oral haloperidol product.
From the FDA-approved prescribing information (label dated July 2026). Full labels on DailyMed (opens in a new tab)
Boxed warning
WARNING: INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Haloperidol decanoate injection is not approved for the treatment of patients with dementia-related psychosis.
The FDA’s strongest warning on a label. It doesn’t mean the drug is unsafe for most people; talk to your doctor or pharmacist before stopping or changing any medicine.
Who prescribes it
- Psychiatry 43.0%
- Psychiatric Nurse Practitioners 34.2%
- Nurse Practitioners 7.9%
- Internal Medicine 4.4%
- Family Medicine 3.3%
- Physician Assistants 3.0%
- Child & Adolescent Psychiatry 1.6%
- Geriatric Medicine 0.5%
- Neurology 0.4%
- General Practice 0.3%
- Addiction Medicine 0.3%
- Hospitalist 0.2%
All prescribers, by place, name or specialty →
Share of Medicare prescriptions written by each specialty. Select one to list its prescribers.
Trend, 2019–2024
Medicare prescriptions fell 5% from 2019 to 2024.
Biggest change by state since 2019
- Maryland +26%
- Mississippi +22%
- Texas +18%
- New Jersey +8%
- Wisconsin +4%
- Tennessee (smallest change) −23%
- Missouri (smallest change) −21%
From CMS’s yearly state and national Part D summaries, which count every prescriber, including those CMS leaves out of its per-clinician data (fewer than 11 prescriptions). That is why these totals are higher than the count at the top of this page. Prescriptions include refills.
What it looks like
Pills from 1 maker on file. The same medicine can look different depending on who made it, so check the imprint (the letters and numbers on the pill) with your pharmacist if a refill looks different.
Somerset Therapeutics, LLC
| Strength | Looks like | Imprint |
|---|---|---|
| 50 mg | yellow injection | |
| 100 mg | yellow injection | |
Source: DailyMed (U.S. National Library of Medicine), from each maker’s FDA drug listing. A few makers are shown, not every one. Never take a pill you can’t identify; ask a pharmacist.
Industry payments about this drug
No industry payments to clinicians named this drug in 2025.
Recalls and shortages
Not on the FDA drug shortage list.
2 recalls since 2020
- Apr 2025 · Amerisource Health Services LLC · Class II
Lack of assurance of sterility. Bacterial contamination detected in some media fill units - Mar 2025 · Somerset Therapeutics Private Limited · Class II
Lack of Assurance of Sterility: Media fill with bacterial contamination
Recalls usually affect specific lots from one maker, not every version of a drug. Class I is the most serious; most drug recalls are Class II. FDA recalls (opens in a new tab)
Sources: CMS Medicare Part D Prescribers by Provider and Drug (2024; prescriptions include refills, and CMS hides counts under 11 per prescriber); U.S. Food and Drug Administration, openFDA (drug labels, NDC directory, enforcement reports, drug shortages); CMS Open Payments 2025; ClinicalTrials.gov. General information only, not medical advice; not yet reviewed by our medical reviewer.