Reaction profile

The FDA adverse-event record for increased heart rate

1,651 FDA reports name increased heart rate, a high-volume reaction in the CVM extract (VeDDRA 193). Plate stamps and neighbourhood peers follow.

#269 of 2,481
by report volume (all reactions)
1,651
reports citing this reaction
15.2%
death-coded share
Dog
most-affected species

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Increased heart rate has 1,651 reports now versus 1,618 in that prior snapshot: 33 more (2.0%).

Report change
+33
Death-coded reports
+4
Death-coded share
−0.1 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Increased heart rate changes

FDA AER · VeDDRA plate

Code 193 VOL-MID

VOL-MID · DEATH-ELEV · UPPER-Q · PHOTO-FINISH · SPECIES-DOG · DRUG-LEAD · DESK-WIDE · BOOK-FULL

  • VOL-MID 1,651 reports
  • DEATH-ELEV 15.2%
  • UPPER-Q #269/2481
  • PHOTO-FINISH Nasal discharge
  • SPECIES-DOG Dog · 1,159
  • DRUG-LEAD Milbemycin Oxime… · 231
  • DESK-WIDE 20 breeds
  • BOOK-FULL 8/8 fields

Nearest volume peer: Nasal discharge (±11 reports)

Upper-third report volume drives the scale stamps on this plate; death-coded share and co-report peers follow. Not a clinical diagnosis.

High-volume neighbourhood around Increased heart rate

Upper-third volume poles plus nearest peers, not a full reaction corpus board reprint.

Vomiting · highest174348Mucous stool · near1681Hypotension · near1676Sleepiness - systemic… · near1665Nasal discharge · near1662Increased heart rate · this …1651Urinary tract neoplas… · low…10
FDA AER report volume · neighbourhood around Increased heart rate

What the FDA AER plate says about Increased heart rate

Signature read: 251 death-coded reports is a heavy tail count for Increased heart rate in the CVM extract. Report volume is upper-third scale: 1,651 named reports in the openFDA extract. 251 of 1,651 reports were death-coded (15.2% of named reports, not a population mortality rate). Nearest volume peer: Nasal discharge (±11 reports). Lead species Dog (1,159). Lead co-reported drug Milbemycin Oxime + Spinosad (231).

Read these counts as reporting volume, not risk: per our methodology, Lead co-reported drug Milbemycin Oxime + Spinosad appears in filings alongside this reaction; that is association, not causation. Browse the full reactions index or the about page for how PlainBreed frames FDA CVM extracts.

Species Most Affected

Dog 1,159
Cat 368
Human 57
Horse 54
Cattle 5
Goat 1
Pig 1
Mule 1
Other Equids 1
Guinea Pig 1

Breeds Most Affected

Domestic Shorthair 208
Retriever - Labrador 114
Crossbred Canine/dog 76
Unknown 66
Chihuahua 58
Terrier - Yorkshire 57
Shih Tzu 51
Domestic Longhair 45
Shepherd Dog - German 42
Retriever - Golden 38

Associated Drugs

Milbemycin Oxime + Spinosad 231
Nitenpyram 160
Maropitant Citrate 77
Moxidectin 75
Pimobendan 67
Spinosad 65
Buprenorphine 65
Milbemycin Oxime + Praziquantel 65
Gabapentin 53
Isoflurane 52
Carprofen 50
Afoxolaner 50
Pyrantel Pamoate;Sarolaner 43
Propofol 39
Diphenhydramine 38
Sarolaner 38
Lotilaner 37
Prednisone 36
Robenacoxib 36
Bedinvetmab 36

Nationwide reactions with similar profiles

Two openFDA-derived peer sets for Increased heart rate, both floored at ≥50 reports so the neighborhoods stay in the advertised mass (the volume chart above is the unfloored photo-finish strip).

Similar report volume

Nearest other reactions by FDA report count (1,651 here).

Similar death-coded share

Nearest other reactions by death-coded share (15.2% here), distinct from the volume row.

What to do with this reaction

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Increased heart rate (#269 of 2,481 by report volume); death-coded 15.2%. PlainBreed reaction plate · death-coded report count stamp 251 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →