Drug profile

The FDA adverse-event record for Unspecified Chemotherapy

16 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Unspecified Chemotherapy. See the species affected, top reactions, and outcomes below.

16
adverse-event reports
31.3%
death-coded share
Dog
most-reported species
6
Vomiting - 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.
16
Total Reports
5
Deaths Reported
31.3%
Death Rate

Active Ingredients

Unspecified Chemotherapy

Administration Routes

UnknownIntravenousOral

Species Affected

Dog 14
Cat 2

Most Affected Breeds

Dog (unknown) 3
Crossbred Canine/dog 2
Terrier - Fox (unspecified) 1
Dachshund - Standard Long-haired 1
Dalmatian 1
Doberman Pinscher 1
Domestic Shorthair 1
Shepherd Dog - German 1
Sheepdog - Shetland 1
Terrier - Yorkshire 1

Most Reported Reactions

Vomiting 6
Weight loss 5
Anorexia 4
Death 4
Lethargy (see also Central nervous system depression in 'Neurological') 2
Lack of efficacy - NOS 2
Balance problem 2
Cough 1
Metastatic tumour 1
Decreased urine concentration 1
Vocalisation 1
Agitation 1

Outcome Breakdown

Died
5 (31.3%)
Ongoing
4 (25.0%)
Recovered/Normal
4 (25.0%)
Outcome Unknown
3 (18.8%)

Unspecified Chemotherapy Adverse Event Insights

16 reports name Unspecified Chemotherapy; 5 recorded a death outcome (31.3% of reported events, not a population-level mortality rate). Active ingredient: Unspecified Chemotherapy. Administration routes: Unknown, Intravenous, Oral.

By species: Dog (14 reports), Cat (2 reports). By breed: Dog (unknown) (3), Crossbred Canine/dog (2), Terrier - Fox (unspecified) (1).

Leading clinical signs: Vomiting (6), Weight loss (5), Anorexia (4), Death (4). Outcome, 16 coded reports: Died leads at 31.3%.

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.