Drug profile

The FDA adverse-event record for Cranberry Supplement

28 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Cranberry Supplement. See the species affected, top reactions, and outcomes below.

28
adverse-event reports
17.9%
death-coded share
Dog
most-reported species
10
Urinary tract infection - 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.
28
Total Reports
5
Deaths Reported
17.9%
Death Rate

Active Ingredients

Cranberry Supplement

Administration Routes

OralUnknownSubconjunctival

Species Affected

Dog 28

Most Affected Breeds

Bichon Frise 6
Retriever - Labrador 5
Pit Bull 2
Retriever - Golden 2
Collie - Border 2
Sheepdog - Shetland 1
Shih Tzu 1
Shar Pei 1
Shepherd Dog - German 1
Terrier - Fox (unspecified) 1

Most Reported Reactions

Urinary tract infection 10
Vomiting 4
Emesis (multiple) 4
Polyuria 4
Lethargy (see also Central nervous system depression in 'Neurological') 3
Diarrhoea 3
Hyponatremia 3
Hypochloraemia 3
Not himself/herself 3
Isosthenuria 3
Intentional misuse 3
Decreased appetite 3

Outcome Breakdown

Recovered/Normal
10 (35.7%)
Ongoing
10 (35.7%)
Outcome Unknown
3 (10.7%)
Euthanized
3 (10.7%)
Died
2 (7.1%)

Cranberry Supplement Adverse Event Insights

28 reports name Cranberry Supplement; 5 recorded a death outcome (17.9% of reported events, not a population-level mortality rate). Active ingredient: Cranberry Supplement. Administration routes: Oral, Unknown, Subconjunctival.

By species: Dog (28 reports). By breed: Bichon Frise (6), Retriever - Labrador (5), Pit Bull (2).

Leading clinical signs: Urinary tract infection (10), Vomiting (4), Emesis (multiple) (4), Polyuria (4). Outcome, 28 coded reports: Recovered/Normal leads at 35.7%.

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.