Chlortetracycline Calcium Complex (Biomass)

76 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.

Total Reports

Deaths Reported

5390.0%

Death Rate

Active Ingredients

Chlortetracycline Calcium Complex (Biomass)

Administration Routes

OralUnknownSubcutaneous

Species Affected

Cattle 53

Unknown 19

Horse 2

Chicken 1

Pig 1

Most Affected Breeds

Mixed (Cattle) 44

Unknown 19

Cattle (other) 5

Aberdeen Angus 2

Horse (unknown) 2

Chicken (unknown) 1

Holstein-Friesian also known as Holstein 1

Pig (unknown) 1

Hereford cattle 1

Most Reported Reactions

Death 35

Lack of efficacy - NOS 32

INEFFECTIVE, ANTIBIOTIC 15

Color, Abnormal 5

Containers, Damaged 4

Closure, Abnormal 3

Death by euthanasia 3

CULTURE/TITER DATA ABNORMAL 3

Appearance, Abnormal 3

Odor, Abnormal 2

Underdose 2

Contamination, Foreign Object 2

Outcome Breakdown

Died

39 (42.4%)

Outcome Unknown

35 (38.0%)

Recovered/Normal

6 (6.5%)

Ongoing

5 (5.4%)

Euthanized

4 (4.3%)

Recovered with Sequela

3 (3.3%)

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