Minocycline Hcl

Verify with FDA CVM →

50 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.
50
Total Reports
14
Deaths Reported
2800.0%
Death Rate

Active Ingredients

Minocycline Hcl

Administration Routes

UnknownOral

Species Affected

Dog 49
Cat 1

Most Affected Breeds

Retriever - Labrador 13
Collie (unspecified) 3
Collie - Border 2
Beagle 2
Shih Tzu 2
Mixed (Dog) 2
Shepherd Dog - Australian 2
Dachshund - Miniature 2
Terrier - Bull - Staffordshire 2
Chihuahua 2

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 14
Anaemia NOS 10
Anorexia 9
Other abnormal test result NOS 9
Fever 9
Vomiting 9
Lack of efficacy (endoparasite) - heartworm 9
Elevated total bilirubin 8
Elevated serum alkaline phosphatase (SAP) 8
Leucocytosis NOS 7
Death by euthanasia 7
Elevated alanine aminotransferase (ALT) 7

Outcome Breakdown

Ongoing
32 (64.0%)
Euthanized
7 (14.0%)
Died
7 (14.0%)
Outcome Unknown
2 (4.0%)
Recovered/Normal
2 (4.0%)

Data Summary

Metric Value
Total adverse event reports 50
Reports involving death 14
Case-fatality rate (reported events) 2800.0%
Distinct species in reports 2
Distinct breeds in reports 20
Distinct reactions reported 20
Active ingredients on file 1

Source: FDA Center for Veterinary Medicine — Adverse Event Reporting (CVM AER). Counts reflect voluntary reports only.

Minocycline Hcl Adverse Event Insights

The FDA Center for Veterinary Medicine database currently holds 50 adverse event reports referencing Minocycline Hcl, including 14 reports in which the animal died — a 2800.0% case-fatality figure among reported events only, not a population-level mortality rate. Active ingredient on file: Minocycline Hcl. Reported administration routes include Unknown, Oral. These numbers reflect voluntary submissions from pet owners, veterinarians, and manufacturers and therefore under-represent mild events and over-represent severe ones — a pattern the FDA has documented repeatedly for pharmacovigilance datasets.

The species most frequently named in Minocycline Hcl reports are Dog (49 reports), Cat (1 reports), with Dog accounting for the largest share. Within those species, Retriever - Labrador (13), Collie (unspecified) (3), Collie - Border (2) appear most often — though breed popularity and ownership density shape these counts as much as any drug-specific sensitivity. This distribution matters because the same active ingredient can behave very differently across body sizes, ages, and species physiology.

The most commonly reported clinical signs associated with Minocycline Hcl are Lethargy (see also Central nervous system depression in 'Neurological') (14), Anaemia NOS (10), Anorexia (9), Other abnormal test result NOS (9). Of the 50 reports with a coded outcome, Ongoing is the leading category at 64.0%. Because FDA adverse event data describes correlation rather than causation, these figures are best used to frame informed questions with a veterinarian and to compare reporting patterns across related products — not as a standalone safety verdict on Minocycline Hcl.

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

Related

Data sourced from official AKC, AVMA, ACVO, and breed-club veterinary references. See our methodology for details. Retrieved and formatted by PlainBreed Editorial