Drug profile

The FDA adverse-event record for Ciclesonide

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

294
adverse-event reports
3.1%
death-coded share
Unknown
most-reported species
89
Dispenser, Abnormal - 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.
294
Total Reports
9
Deaths Reported
3.1%
Death Rate

Active Ingredients

Ciclesonide

Administration Routes

UnknownNasalRespiratory (Inhalation)Intramedullary

Species Affected

Unknown 197
Horse 94
Human 3

Most Affected Breeds

Unknown 201
Horse (unknown) 34
Quarter Horse 25
Paint 7
Miniature 4
Horse (other) 4
Tennessee Walking Horse 3
Morgan 3
Warmblood (unspecified) 3
Pony (unspecified) 2

Most Reported Reactions

Dispenser, Abnormal 89
Difficulty of Use 80
Lack of efficacy - NOS 42
Product defect, product difficult to use/handle (see also 'Drug device difficult to use/handle') 24
Inhaler, malfunction 23
Behavioural disorder NOS 20
Product problem 20
Underfilling, Container 13
Circumstance or info capable of leading to medication error 12
Administration device NOS, priming issue 7
Device breakage/fracture 6
Product Defect, General 6

Outcome Breakdown

Outcome Unknown
48 (49.5%)
Recovered/Normal
26 (26.8%)
Ongoing
12 (12.4%)
Died
5 (5.2%)
Euthanized
4 (4.1%)
Recovered with Sequela
2 (2.1%)

Ciclesonide Adverse Event Insights

294 reports name Ciclesonide; 9 recorded a death outcome (3.1% of reported events, not a population-level mortality rate). Active ingredient: Ciclesonide. Administration routes: Unknown, Nasal, Respiratory (Inhalation), Intramedullary.

By species: Unknown (197 reports), Horse (94 reports), Human (3 reports). By breed: Unknown (201), Horse (unknown) (34), Quarter Horse (25).

Leading clinical signs: Dispenser, Abnormal (89), Difficulty of Use (80), Lack of efficacy - NOS (42), Product defect, product difficult to use/handle (see also 'Drug device difficult to use/handle') (24). Outcome, 97 coded reports: Outcome Unknown leads at 49.5%.

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.