Drug profile

The FDA adverse-event record for Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric)

29 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric). See the species affected, top reactions, and outcomes below.

29
adverse-event reports
27.6%
death-coded share
Cattle
most-reported species
10
Lack of efficacy (bacteria) - NOS - 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.
29
Total Reports
8
Deaths Reported
27.6%
Death Rate

Active Ingredients

Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric)

Administration Routes

UnknownSubcutaneousIntramuscularOphthalmic

Species Affected

Cattle 16
Unknown 6
Dog 5
Sheep 1
Goat 1

Most Affected Breeds

Cattle (other) 10
Unknown 6
Dog (unknown) 2
Aberdeen Angus 2
Crossbred Bovine/Cattle 1
Holstein-Friesian also known as Holstein 1
Brangus 1
Terrier - Jack Russell 1
Simbrah 1
Sheep (unknown) 1

Most Reported Reactions

Lack of efficacy (bacteria) - NOS 10
Uncoded sign 6
Death 4
Color, Abnormal 3
Lack of efficacy - NOS 2
Inappropriate packaging or design 2
Foam in the mouth 2
Seizure NOS 2
Injection site inflammation 2
Injection site swelling 2
Injection site pain 2
Digestive tract disorder NOS 2

Outcome Breakdown

Outcome Unknown
14 (48.3%)
Died
8 (27.6%)
Ongoing
5 (17.2%)
Recovered/Normal
2 (6.9%)

Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric) Adverse Event Insights

29 reports name Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric); 8 recorded a death outcome (27.6% of reported events, not a population-level mortality rate). Active ingredient: Oxytetracycline Dihydrate ( Oxytetracycline Amphoteric). Administration routes: Unknown, Subcutaneous, Intramuscular, Ophthalmic.

By species: Cattle (16 reports), Unknown (6 reports), Dog (5 reports). By breed: Cattle (other) (10), Unknown (6), Dog (unknown) (2).

Leading clinical signs: Lack of efficacy (bacteria) - NOS (10), Uncoded sign (6), Death (4), Color, Abnormal (3). Outcome, 29 coded reports: Outcome Unknown leads at 48.3%.

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.