Drug profile

The FDA adverse-event record for Milbemycin Oxime Solution

194 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Milbemycin Oxime Solution. See the species affected, top reactions, and outcomes below.

194
adverse-event reports
1.0%
death-coded share
Unknown
most-reported species
104
Uncoded sign - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
194
Total Reports
2
Deaths Reported
1.0%
Death Rate

Active Ingredients

Milbemycin Oxime Solution

Administration Routes

UnknownAuricular (Otic)OralSubcutaneous

Species Affected

Unknown 169
Cat 19
Dog 5
Rabbit 1

Most Affected Breeds

Unknown 169
Domestic Shorthair 12
Cat (unknown) 3
Domestic Longhair 2
Pinscher - Miniature 2
Terrier - Boston 1
New Zealand White 1
Boxer (German Boxer) 1
Shih Tzu 1
Siamese 1

Most Reported Reactions

Uncoded sign 104
Tubes, Leaking 86
Underfilling, Tubes 57
Seal, Abnormal 26
Tubes, Damaged 11
Tubes, Abnormal 11
Lack of efficacy (ectoparasite) - ear mite 9
Underfilling, Package 6
Caps, Abnormal 6
Lack of efficacy - NOS 6
Vials, Leaking 3
Otitis externa 2

Outcome Breakdown

Ongoing
10 (38.5%)
Outcome Unknown
8 (30.8%)
Recovered/Normal
6 (23.1%)
Died
1 (3.8%)
Euthanized
1 (3.8%)

Milbemycin Oxime Solution Adverse Event Insights

194 reports name Milbemycin Oxime Solution; 2 recorded a death outcome (1.0% of reported events, not a population-level mortality rate). Active ingredient: Milbemycin Oxime Solution. Administration routes: Unknown, Auricular (Otic), Oral, Subcutaneous.

By species: Unknown (169 reports), Cat (19 reports), Dog (5 reports). By breed: Unknown (169), Domestic Shorthair (12), Cat (unknown) (3).

Leading clinical signs: Uncoded sign (104), Tubes, Leaking (86), Underfilling, Tubes (57), Seal, Abnormal (26). Outcome, 26 coded reports: Ongoing leads at 38.5%.

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.