Drug profile

The FDA adverse-event record for Recombitek C6 - 4639.R1

17 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Recombitek C6 - 4639.R1. See the species affected, top reactions, and outcomes below.

17
adverse-event reports
5.9%
death-coded share
Dog
most-reported species
7
Lethargy (see also Central nervous system depression in 'Neurological') - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
17
Total Reports
1
Deaths Reported
5.9%
Death Rate

Active Ingredients

Recombitek C6 - 4639.R1

Administration Routes

SubcutaneousUnknown

Species Affected

Dog 17

Most Affected Breeds

Shih Tzu 2
Crossbred Canine/dog 2
Pointing Dog - Hungarian Short-haired (Vizsla) 2
Bloodhound 1
Bulldog 1
Dog (unknown) 1
Retriever - Golden 1
Mastiff 1
Terrier - Yorkshire 1
Terrier (unspecified) 1

Most Reported Reactions

Lethargy (see also Central nervous system depression in 'Neurological') 7
Diarrhoea 4
Injection site lump 3
Vomiting 3
Ataxia 2
Pain NOS 2
Injection site pain 2
Inappetence 2
Shivering 2
Digestive tract disorder NOS 2
Fever 2
Vocalisation 2

Outcome Breakdown

Outcome Unknown
13 (72.2%)
Recovered/Normal
3 (16.7%)
Ongoing
1 (5.6%)
Died
1 (5.6%)

Recombitek C6 - 4639.R1 Adverse Event Insights

17 reports name Recombitek C6 - 4639.R1; 1 recorded a death outcome (5.9% of reported events, not a population-level mortality rate). Active ingredient: Recombitek C6 - 4639.R1. Administration routes: Subcutaneous, Unknown.

By species: Dog (17 reports). By breed: Shih Tzu (2), Crossbred Canine/dog (2), Pointing Dog - Hungarian Short-haired (Vizsla) (2).

Leading clinical signs: Lethargy (see also Central nervous system depression in 'Neurological') (7), Diarrhoea (4), Injection site lump (3), Vomiting (3). Outcome, 18 coded reports: Outcome Unknown leads at 72.2%.

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.