Reaction profile

The FDA adverse-event record for alkaline urine

429 FDA adverse-event reports reference alkaline urine (VeDDRA 1952). See the species, breeds, and drugs most associated with it below.

429
reports citing this reaction
10.0%
death-coded share
Dog
most-affected species
Milbemycin Oxime + Spinosad
most-associated drug
Verify with FDA CVM →
429
Total Reports
43
Deaths
10.0%
Death Rate

Species Most Affected

Dog 398
Cat 26
Horse 3
Cattle 1
Squirrel 1

Breeds Most Affected

Retriever - Labrador 60
Crossbred Canine/dog 34
Retriever - Golden 25
Shepherd Dog - German 16
Boxer (German Boxer) 15
Domestic Shorthair 15
Chihuahua 11
Siberian Husky 11
Terrier (unspecified) 10
Cattle Dog - Australian (blue heeler, red heeler, Queensland cattledog) 9

Associated Drugs

Milbemycin Oxime + Spinosad 74
Trilostane 62
Afoxolaner 43
Oclacitinib Maleate 37
Carprofen 33
Fluralaner Chew Tablets 29
Spinosad 23
Ivermectin + Pyrantel As Pamoate Salt 20
Bedinvetmab 20
Ivermectin 15
Gabapentin 13
Prednisone 11
Milbemycin Oxime + Praziquantel 11
Maropitant Citrate 10
Fluralaner 13.64% 12-Week Chew 10
Lotilaner 10
Meloxicam 8
Desoxycorticosterone Pivalate 8
Moxidectin 8
Rabies Vaccine 8

Alkaline urine Reaction Insights

429 reports name Alkaline urine; 43 recorded a death outcome (10.0% of reported events, not a population-level mortality rate). VeDDRA code: 1952.

By species: Dog (398 reports), Cat (26 reports), Horse (3 reports). By breed: Retriever - Labrador (60), Crossbred Canine/dog (34), Retriever - Golden (25).

Most co-reported drugs: Milbemycin Oxime + Spinosad (74 reports), Trilostane (62 reports), Afoxolaner (43 reports), Oclacitinib Maleate (37 reports).

Read these counts as reporting volume, not risk: per our methodology, co-reporting reflects temporal association captured in voluntary submissions, not proof that a drug caused this reaction. A widely-prescribed drug will rack up more raw co-reports at an identical true rate than a rarely-used one, so compare within similar-exposure products.

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.