Reaction profile

The FDA adverse-event record for haemoconcentration

278 FDA adverse-event reports reference haemoconcentration (VeDDRA 2272). See the species, breeds, and drugs most associated with it below.

278
reports citing this reaction
20.5%
death-coded share
Dog
most-affected species
Maropitant Citrate
most-associated drug
Verify with FDA CVM →
278
Total Reports
57
Deaths
20.5%
Death Rate

Species Most Affected

Dog 253
Cat 24
Ferret 1

Breeds Most Affected

Retriever - Labrador 33
Domestic Shorthair 14
Crossbred Canine/dog 14
Terrier - Yorkshire 13
Chihuahua 13
Boxer (German Boxer) 9
Shepherd Dog - German 9
Terrier - Bull - American Pit 9
Terrier (unspecified) 8
Bulldog - French 7

Associated Drugs

Maropitant Citrate 47
Carprofen 36
Moxidectin 34
Ivermectin + Pyrantel As Pamoate Salt 21
Milbemycin Oxime + Spinosad 20
Afoxolaner 19
Famotidine 18
Oclacitinib Maleate 17
Fluralaner Chew Tablets 13
Pyrantel Pamoate;Sarolaner 13
Buprenorphine 11
Diphenhydramine Hcl 11
Meloxicam 10
Isoflurane 10
Dexamethasone 10
Metronidazole 10
Propofol 10
Leptospira Canicola L-15 Strain C-51;Leptospira Grippotyphosa 1550 Lot 10005 Str 10
Deracoxib 9
Sarolaner 9

Haemoconcentration Reaction Insights

278 reports name Haemoconcentration; 57 recorded a death outcome (20.5% of reported events, not a population-level mortality rate). VeDDRA code: 2272.

By species: Dog (253 reports), Cat (24 reports), Ferret (1 reports). By breed: Retriever - Labrador (33), Domestic Shorthair (14), Crossbred Canine/dog (14).

Most co-reported drugs: Maropitant Citrate (47 reports), Carprofen (36 reports), Moxidectin (34 reports), Ivermectin + Pyrantel As Pamoate Salt (21 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.