Monensin

261 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.
261
Total Reports
135
Deaths Reported
5170.0%
Death Rate

Active Ingredients

Monensin

Administration Routes

OralUnknownOphthalmic

Species Affected

Cattle 189
Turkey 26
Chicken 14
Horse 10
Goat 7
Dog 4
Other 2
Sheep 2
Unknown 2
Other Birds 2

Most Affected Breeds

Crossbred Bovine/Cattle 76
Cattle (unknown) 38
Holstein-Friesian also known as Holstein 33
Turkey (unknown) 25
Unknown 17
Chicken (unknown) 14
Cattle (other) 9
Horse (unknown) 7
Aberdeen Angus 7
Jersey 6

Most Reported Reactions

Death 124
Anorexia 60
Diarrhoea 58
Lack of efficacy (protozoa) - Coccidia 50
Accidental exposure 43
Recumbency 29
Inappropriate preparation of medication 24
Bloody diarrhoea 19
Milk production decrease 17
Depression 12
Alteration of milk quality 11
PR-HEART, LESION(S) 11

Outcome Breakdown

Died
134 (78.8%)
Outcome Unknown
27 (15.9%)
Recovered/Normal
5 (2.9%)
Ongoing
2 (1.2%)
Euthanized
2 (1.2%)

Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.