Chlortetracycline
74 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.
74
Total Reports
32
Deaths Reported
4320.0%
Death Rate
Active Ingredients
Chlortetracycline
Administration Routes
OralUnknownTopical
Species Affected
Cattle 28
Unknown 22
Pig 18
Sheep 2
Horse 2
Other Birds 1
Turkey 1
Most Affected Breeds
Unknown 23
Mixed (Cattle) 10
Cattle (unknown) 9
Pig (unknown) 8
Crossbred Porcine/Pig 6
Holstein-Friesian also known as Holstein 3
Cattle (other) 2
Horse (unknown) 2
Pig (other) 2
Crossbred Bovine/Cattle 1
Most Reported Reactions
Death 27
Lack of efficacy - NOS 8
Lack of efficacy (bacteria) - NOS 7
Lameness 5
NT - Abnormal necropsy finding NOS 5
Potency, Low 5
Necropsy performed 5
Granules/Powder, Abnormal 4
Accidental exposure 4
Anorexia 4
Vocalisation 4
Death by euthanasia 3
Outcome Breakdown
Died
30 (42.3%)
Outcome Unknown
24 (33.8%)
Recovered/Normal
7 (9.9%)
Euthanized
5 (7.0%)
Ongoing
4 (5.6%)
Recovered with Sequela
1 (1.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.