Drug profile

The FDA adverse-event record for Clodronate Disodium

299 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Clodronate Disodium. See the species affected, top reactions, and outcomes below.

299
adverse-event reports
4.3%
death-coded share
Horse
most-reported species
82
Elevated creatinine - 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.
299
Total Reports
13
Deaths Reported
4.3%
Death Rate

Active Ingredients

Clodronate Disodium

Administration Routes

IntramuscularUnknownOralAuricular (Otic)

Species Affected

Horse 291
Unknown 5
Human 2
Dog 1

Most Affected Breeds

Quarter Horse 139
Horse (unknown) 35
Thoroughbred 27
Warmblood - Dutch 19
Paint 14
Arab 10
Unknown 7
Oldenburg 6
Warmblood (unspecified) 5
Horse (other) 5

Most Reported Reactions

Elevated creatinine 82
Elevated blood urea nitrogen (BUN) 75
Polyuria 65
Polydipsia 60
Colic 57
Hypercalcaemia 33
Lethargy (see also Central nervous system depression in 'Neurological') 32
Hyperkalaemia 29
Anorexia 25
Pawing 24
Other abnormal test result NOS 21
Hypochloraemia 20

Outcome Breakdown

Recovered/Normal
155 (52.7%)
Outcome Unknown
114 (38.8%)
Euthanized
12 (4.1%)
Ongoing
10 (3.4%)
Recovered with Sequela
2 (0.7%)
Died
1 (0.3%)

Clodronate Disodium Adverse Event Insights

299 reports name Clodronate Disodium; 13 recorded a death outcome (4.3% of reported events, not a population-level mortality rate). Active ingredient: Clodronate Disodium. Administration routes: Intramuscular, Unknown, Oral, Auricular (Otic).

By species: Horse (291 reports), Unknown (5 reports), Human (2 reports). By breed: Quarter Horse (139), Horse (unknown) (35), Thoroughbred (27).

Leading clinical signs: Elevated creatinine (82), Elevated blood urea nitrogen (BUN) (75), Polyuria (65), Polydipsia (60). Outcome, 294 coded reports: Recovered/Normal leads at 52.7%.

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.