Clorsulon, Ivermectin
87 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.
87
Total Reports
11
Deaths Reported
1260.0%
Death Rate
Active Ingredients
Clorsulon, Ivermectin
Administration Routes
SubcutaneousUnknownOralTopicalIntramuscular
Species Affected
Cattle 48
Unknown 27
Human 6
Dog 5
Other 1
Most Affected Breeds
Unknown 34
Cattle (unknown) 22
Aberdeen Angus 9
Crossbred Bovine/Cattle 7
Cattle (other) 4
Mixed (Cattle) 2
Crossbred Canine/dog 2
Holstein-Friesian also known as Holstein 2
Limousin 1
Beefmaster 1
Most Reported Reactions
Seal, Abnormal 17
INEFFECTIVE, PARASITE(S) NOS 8
Death 7
INEFFECTIVE, LICE BITING 7
Unclassifiable adverse event 7
Accidental exposure 7
Lack of efficacy (ectoparasite) - lice 6
Injection site swelling 5
Alopecia NOS 4
Injection site pain 4
Lack of efficacy - NOS 3
Trembling 3
Outcome Breakdown
Died
11 (91.7%)
Recovered/Normal
1 (8.3%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.