Drug profile

The FDA adverse-event record for Chlortetracycline Hydrochloride

10 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Chlortetracycline Hydrochloride. See the species affected, top reactions, and outcomes below.

10
adverse-event reports
40.0%
death-coded share
Cattle
most-reported species
4
Death - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
10
Total Reports
4
Deaths Reported
40.0%
Death Rate

Active Ingredients

Chlortetracycline Hydrochloride

Administration Routes

OralUnknown

Species Affected

Cattle 6
Unknown 4

Most Affected Breeds

Cattle (other) 5
Unknown 4
Aberdeen Angus 1

Most Reported Reactions

Death 4
Ruminal bloat 3
Appearance, Abnormal 2
Containers, Abnormal 1
Containers, Damaged 1
Lack of efficacy (protozoa) - Coccidia 1
No sign 1
Overdose 1
Lack of efficacy (bacteria) - NOS 1
Product problem 1
Seal, Abnormal 1
Containers, Leaking 1

Outcome Breakdown

Died
4 (57.1%)
Outcome Unknown
3 (42.9%)

Chlortetracycline Hydrochloride Adverse Event Insights

10 reports name Chlortetracycline Hydrochloride; 4 recorded a death outcome (40.0% of reported events, not a population-level mortality rate). Active ingredient: Chlortetracycline Hydrochloride. Administration routes: Oral, Unknown.

By species: Cattle (6 reports), Unknown (4 reports). By breed: Cattle (other) (5), Unknown (4), Aberdeen Angus (1).

Leading clinical signs: Death (4), Ruminal bloat (3), Appearance, Abnormal (2), Containers, Abnormal (1). Outcome, 7 coded reports: Died leads at 57.1%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.