Drug profile

The FDA adverse-event record for Tiletamine Hcl, Zolazepam Hcl

271 FDA reports name Tiletamine Hcl, Zolazepam Hcl, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#453 of 2,679
by report volume (all drugs)
271
adverse-event reports
45.0%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Tiletamine Hcl, Zolazepam Hcl ranks #452 of 2679 by total reports (271) and #74 of 1130 by death-coded share (45.0%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#452
This drug, reports of 2679
#74
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

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. Tiletamine Hcl, Zolazepam Hcl has 271 reports now versus 268 in that prior snapshot: 3 more (1.1%).

Report change
+3
Death-coded reports
+1
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 Tiletamine Hcl, Zolazepam Hcl changes

Signature read: death-coded report count at 122 is the most distinctive stamp on Tiletamine Hcl, Zolazepam Hcl's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
271
Total Reports
122
Deaths Reported
45.0%
Death-coded share of reports

Active Ingredients

Tiletamine Hcl, Zolazepam Hcl

Administration Routes

IntramuscularUnknownIntravenousSubcutaneousOtherParenteralOralOphthalmic

Species Affected

Dog 130
Cat 109
Unknown 22
Pig 4
Human 3
Rabbit 1
Other Birds 1
Guinea Pig 1

Most Affected Breeds

Dog (unknown) 53
Cat (unknown) 47
Domestic Shorthair 44
Unknown 26
Retriever - Labrador 13
Domestic Longhair 11
Shepherd Dog - German 10
Chihuahua 4
Rottweiler 4
Pig (unknown) 4

Most Reported Reactions

Lack of efficacy - NOS 132
Unrelated death 68
Death 44
Death by euthanasia 41
Cardiac arrest 18
Respiratory arrest 15
Recovery prolonged 14
Apnoea 12
Cyanosis 12
Hyperthermia 11
Vomiting 7
Aggression 7

Outcome Breakdown

Recovered/Normal
117 (45.5%)
Euthanized
74 (28.8%)
Died
48 (18.7%)
Outcome Unknown
15 (5.8%)
Ongoing
2 (0.8%)
Recovered with Sequela
1 (0.4%)

Tiletamine Hcl, Zolazepam Hcl: high death-coded share in the FDA AER row

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.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Tiletamine Hcl, Zolazepam Hcl, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (45.0% here), distinct from the volume row.

What to do with this drug

  • Compare Tiletamine Hcl, Zolazepam Hcl's report volume and death-coded share against similar drugs nationwide. See similar drugs
  • Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
  • Browse the full drug directory to compare report counts across products. All drugs

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 Tiletamine Hcl, Zolazepam Hcl (#453 of 2,679 by report volume); death-coded 45.0%. PlainBreed drug row · death-coded report count stamp 122 · 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 →