Drug profile

The FDA adverse-event record for Hypochlorous Acid

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

10
adverse-event reports
20.0%
death-coded share
Cat
most-reported species
3
Eye disorder NOS (for Photophobia see neurological) - 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.
10
Total Reports
2
Deaths Reported
20.0%
Death Rate

Active Ingredients

Hypochlorous Acid

Administration Routes

TopicalUnknownOphthalmic

Species Affected

Cat 5
Human 2
Dog 2
Horse 1

Most Affected Breeds

Domestic Shorthair 4
Unknown 2
Horse (other) 1
Cat (unknown) 1
Poodle - Miniature 1
Terrier (unspecified) 1

Most Reported Reactions

Eye disorder NOS (for Photophobia see neurological) 3
Wobbliness 3
Unclassifiable adverse event 2
Death 2
Arrhythmia 1
Lack of efficacy (bacteria) - NOS 1
Uncoded sign 1
Skin slough 1
Skin abscess 1
Prostration 1
Lethargy (see also Central nervous system depression in Neurological) 1
Not himself/herself 1

Outcome Breakdown

Outcome Unknown
3 (42.9%)
Died
2 (28.6%)
Ongoing
2 (28.6%)

Hypochlorous Acid Adverse Event Insights

10 reports name Hypochlorous Acid; 2 recorded a death outcome (20.0% of reported events, not a population-level mortality rate). Active ingredient: Hypochlorous Acid. Administration routes: Topical, Unknown, Ophthalmic.

By species: Cat (5 reports), Human (2 reports), Dog (2 reports). By breed: Domestic Shorthair (4), Unknown (2), Horse (other) (1).

Leading clinical signs: Eye disorder NOS (for Photophobia see neurological) (3), Wobbliness (3), Unclassifiable adverse event (2), Death (2). Outcome, 7 coded reports: Outcome Unknown leads at 42.9%.

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.