Drug profile

The FDA adverse-event record for Lactated Ringers

79 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Lactated Ringers. See the species affected, top reactions, and outcomes below.

79
adverse-event reports
29.1%
death-coded share
Dog
most-reported species
15
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.
79
Total Reports
23
Deaths Reported
29.1%
Death Rate

Active Ingredients

Lactated Ringers

Administration Routes

IntravenousSubcutaneousUnknownParenteralOral

Species Affected

Dog 60
Cat 18
Rabbit 1

Most Affected Breeds

Crossbred Canine/dog 15
Domestic Shorthair 12
Unknown 5
Terrier - Yorkshire 5
Retriever - Golden 3
Shih Tzu 3
Dog (unknown) 2
Collie - Smooth-haired 2
Siamese 2
Poodle - Standard 2

Most Reported Reactions

Vomiting 15
Dehydration 13
Death by euthanasia 12
Diarrhoea 10
Lethargy (see also Central nervous system depression in Neurological) 10
Weight loss 9
Decreased appetite 9
Elevated alanine aminotransferase (ALT) 9
Lack of efficacy - NOS 9
Seizure NOS 8
Hypernatremia 8
Elevated total bilirubin 8

Outcome Breakdown

Ongoing
25 (31.3%)
Recovered/Normal
23 (28.7%)
Euthanized
12 (15.0%)
Died
11 (13.8%)
Outcome Unknown
8 (10.0%)
Recovered with Sequela
1 (1.3%)

Lactated Ringers Adverse Event Insights

79 reports name Lactated Ringers; 23 recorded a death outcome (29.1% of reported events, not a population-level mortality rate). Active ingredient: Lactated Ringers. Administration routes: Intravenous, Subcutaneous, Unknown, Parenteral.

By species: Dog (60 reports), Cat (18 reports), Rabbit (1 reports). By breed: Crossbred Canine/dog (15), Domestic Shorthair (12), Unknown (5).

Leading clinical signs: Vomiting (15), Dehydration (13), Death by euthanasia (12), Diarrhoea (10). Outcome, 80 coded reports: Ongoing 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.