Narasin
295 adverse event reports submitted to the FDA
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
295
Total Reports
215
Deaths Reported
7290.0%
Death Rate
Active Ingredients
Narasin
Administration Routes
OralUnknownRespiratory (Inhalation)Intraocular
Species Affected
Pig 147
Chicken 118
Turkey 7
Cattle 7
Unknown 6
Human 5
Dog 3
Other Reptiles 1
Horse 1
Most Affected Breeds
Pig (unknown) 94
Chicken (unknown) 78
Crossbred Porcine/Pig 37
Chicken (other) 28
Unknown 11
Cornish Cobb 6
Mixed (Pig) 6
Turkey (unknown) 5
Chicken (unspecified) 4
Duroc 3
Most Reported Reactions
Death 162
Lack of efficacy (protozoa) - Coccidia 48
Lameness 46
Death by euthanasia 34
Recumbency 29
Increased mortality rate 26
Vocalisation 24
NT - Abnormal necropsy finding NOS 22
Lack of efficacy - NOS 16
Respiratory tract disorder NOS 16
Rectal prolapse 14
Accidental exposure 12
Outcome Breakdown
Died
200 (48.8%)
Outcome Unknown
122 (29.8%)
Euthanized
38 (9.3%)
Recovered/Normal
24 (5.9%)
Ongoing
23 (5.6%)
Recovered with Sequela
3 (0.7%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.