Species
Turkey: adverse event reports
522 reports, 0% of FDA's animal drug adverse event database
522 adverse event reports in FDA's database concern turkeys: 0% of all reports received from June 1987 to February 2026. 9 arrived in the 12 months to March 2026, up 50% from 6 in the 12 months before. That is 0% of all reports received in those 12 months and about 13 reports a year over the whole record.
By active ingredient, the drugs named most often are monensin (76.1% of turkey reports), narasin (2.5% of turkey reports), tylosin (2.5% of turkey reports) and lasalocid sodium (1.9% of turkey reports). Drugs given to the most animals lead the list for that reason; brands are masked in the public data.
The terms listed most often are death (58.2%), recumbency (24.1%) and increased mortality rate (8.8%). 78.6% of reports stating seriousness were classed as serious (38.6% across all species), and 73% record a death or euthanasia (6.4% overall).
FDA posts reports quarterly with a delay of three to six months, so the newest months are incomplete and usually grow in later releases.
Drugs named most often, by active ingredient
| Active ingredients recorded for the drug | Reports | Share of turkey reports | Share of the drug's reports that concern turkeys |
|---|---|---|---|
| Monensin | 397 | 76.1% | 8.2% |
| Narasin | 13 | 2.5% | 3% |
| Tylosin | 13 | 2.5% | 1.1% |
| Lasalocid sodium | 10 | 1.9% | 4% |
| Bacitracin | 6 | 1.1% | 1.4% |
| Narasin + Nicarbazin | 5 | 1% | 1.6% |
| Diclazuril | 4 | 0.8% | 2.4% |
| Enrofloxacin | 4 | 0.8% | 0.1% |
| Fenbendazole | 4 | 0.8% | 0.1% |
| Ractopamine Hydrochloride | 4 | 0.8% | 1.2% |
| Amprolium | 3 | 0.6% | 0.8% |
| Zoalene | 3 | 0.6% | 6.7% |
| Albendazole | 2 | 0.4% | 0.3% |
| Ceftiofur Sodium | 2 | 0.4% | 0.1% |
| Roxarsone | 2 | 0.4% | 12.5% |
| Sulfaquinoxaline | 2 | 0.4% | 50% |
| Tiamulin | 2 | 0.4% | 1.6% |
| Bambermycins | 1 | 0.2% | 11.1% |
| Butorphanol Tartrate | 1 | 0.2% | 0% |
| Chlortetracycline | 1 | 0.2% | 0.8% |
| Clopidol | 1 | 0.2% | 50% |
| Isoflurane | 1 | 0.2% | 0% |
| Lasalocid | 1 | 0.2% | 0.8% |
| Lincomycin Hydrochloride Monohydrate + Spectinomycin Sulfate Tetrahydrate | 1 | 0.2% | 0.4% |
| Midazolam | 1 | 0.2% | 0% |
| Monensin + Roxarsone | 1 | 0.2% | 100% |
| Nitarsone | 1 | 0.2% | 7.7% |
| Ormetoprim + Sulfadimethoxine | 1 | 0.2% | 0.1% |
| Oxytetracycline Hydrochloride | 1 | 0.2% | 0.2% |
| Penicillin G Potassium | 1 | 0.2% | 3.7% |
Ordered by report count, which follows how widely a drug is used. FDA states that these data "cannot be used to estimate the risk associated with the product or compare one drug or device product with another". openFDA masks brand and manufacturer names in adverse event records, so the reports counted here cannot be attributed to a particular brand.
Signs listed in reports
share of turkey reports listing the termall species
- Death58.2%304
- Recumbency[lying down and unable or unwilling to rise]24.1%126
- Increased mortality rate8.8%46
- Lack of efficacy (protozoa) - Coccidia[the product did not have the expected effect: coccidia]8%42
- Lateral recumbency[lying on the side, unable to rise]6.9%36
- Accidental exposure[exposure that was not intended]5.2%27
- Paralysis5.2%27
- Anorexia[not eating]5%26
- Death by euthanasia[the animal was euthanized]4.4%23
- Ataxia[unsteady, uncoordinated movement]3.6%19
- Neurological signs NOS[NOS: not otherwise specified]3.6%19
- Dehydration3.4%18
- Impaired vocalisation3.3%17
- Paresis3.3%17
- Behavioural disorder NOS[behaviour change, type not specified]3.1%16
- Lack of efficacy - NOS[the product did not have the expected effect]3.1%16
- Depression[dull, quiet or withdrawn]2.9%15
- Lack of efficacy (bacteria) - NOS[the product did not have the expected effect: target not specified]2.9%15
- Death-slaughtered2.7%14
- Weakness2.7%14
- Enteritis2.5%13
- Ineffective, coccidia[legacy FDA term: the product did not have the expected effect (coccidia)]2.5%13
- NT - Abnormal necropsy finding NOS[NOS: not otherwise specified]2.5%13
- Diarrhoea[diarrhea]2.3%12
- Vocalisation[crying out or unusual noise]2.3%12
- Lameness2.1%11
- Not eating2.1%11
- Hind limb paralysis[paralysed hind legs]1.9%10
- Lethargy[unusually tired or inactive]1.9%10
Single ingredients, pooled across combinations
- Monensin398 reports · 76.2%
- Narasin18 reports · 3.4%
- Tylosin13 reports · 2.5%
- Lasalocid sodium10 reports · 1.9%
- Bacitracin6 reports · 1.1%
- Nicarbazin5 reports · 1%
- Diclazuril4 reports · 0.8%
- Enrofloxacin4 reports · 0.8%
- Fenbendazole4 reports · 0.8%
- Ractopamine Hydrochloride4 reports · 0.8%
- Amprolium3 reports · 0.6%
- Roxarsone3 reports · 0.6%
- Zoalene3 reports · 0.6%
- Albendazole2 reports · 0.4%
- Ceftiofur Sodium2 reports · 0.4%
- Sulfaquinoxaline2 reports · 0.4%
Age and weight
Age of the animal
Weight of the animal
Outcomes and report types
Outcome recorded in the report
What kind of report it was
Coloured bar: turkey reports. Grey bar: all 1,357,245 reports. Outcomes are as stated by the reporter.
Trend
Reports by month FDA received them. The newest months are incomplete because FDA posts reports with a delay of three to six months.
| Measure | Turkey | All reports |
|---|---|---|
| Reports | 522 | 1,357,245 |
| Classed serious, of reports stating it | 78.6% | 38.6% |
| Death or euthanasia recorded, per 1,000 reports | 729.9 | 63.8 |
| Filed as lack of expected effectiveness (wholly or partly) | 10.3% | 23% |
Questions about turkey reports
How many adverse event reports involve turkeys?
522 reports through March 2026, 0% of the database; 9 in the latest 12 months.
Which drugs are reported most often for turkeys?
By active ingredient: monensin (397), narasin (13), tylosin (13), lasalocid sodium (10) and bacitracin (6). The order tracks how widely each is used; brands are masked in the public data.
What signs are reported most in turkeys?
death (58.2%), recumbency (24.1%), increased mortality rate (8.8%), lack of efficacy (protozoa) - Coccidia (8%) and lateral recumbency (6.9%).
What ages are the turkeys in these reports?
under 1 year (75.7%), 1 to 3 years (0.2%) and 4 to 7 years (0%); age is not given in 24.1% of reports.
Do more reports mean more risk for this species?
No. Counts follow how many animals are treated and how readily their owners and veterinarians report. FDA states that "there is no certainty that the reported drug or device caused the adverse event" and that the event "may have been related to an underlying disease, other drugs used at the same time or other non-drug related sources."
How do I report a problem?
Call the drug company using the number on the label, or send Form FDA 1932a to FDA. See the guide on how to report.
Where this comes from. Counts are built from the openFDA Animal & Veterinary adverse event bulk files released 28 Sep 2026, which hold reports FDA's Center for Veterinary Medicine received through 31 Mar 2026. openFDA masks brand and manufacturer names in these files, so drugs are counted by the active ingredients each record discloses and no figure is attributed to a brand, application or company. Ingredient names, and the separate reference lists of approved products, follow the FDA Green Book as of 1 Oct 2026. No report text, lot numbers or reporter details are published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.