Drug profile

The FDA adverse-event record for Tiletamine Hcl; Zolazapam Hcl

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

#296 of 2,679
by report volume (all drugs)
523
adverse-event reports
22.0%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Tiletamine Hcl; Zolazapam Hcl ranks #293 of 2679 by total reports (523) and #206 of 1130 by death-coded share (22.0%). 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)
#293
This drug, reports of 2679
#206
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; Zolazapam Hcl has 523 reports now versus 523 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
+0.0 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; Zolazapam Hcl changes

Signature read: death-coded report count at 115 is the most distinctive stamp on Tiletamine Hcl; Zolazapam 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.
523
Total Reports
115
Deaths Reported
22.0%
Death-coded share of reports

Active Ingredients

Tiletamine Hcl; Zolazapam Hcl

Administration Routes

IntramuscularUnknownIntravenousSubcutaneousOtherOphthalmic

Species Affected

Dog 246
Cat 226
Unknown 33
Human 8
Pig 4
White tailed deer 2
Primate 2
Bear 1
Moose 1

Most Affected Breeds

Domestic Shorthair 112
Dog (unknown) 77
Unknown 45
Cat (unknown) 44
Cat (other) 29
Retriever - Labrador 23
Domestic Longhair 19
Shih Tzu 8
Boxer (German Boxer) 8
Domestic Mediumhair 7

Most Reported Reactions

INEFFECTIVE, ANESTHESIA 94
Death 67
Lack of efficacy - NOS 54
Cardiac arrest 41
INEFFECTIVE, SEDATION 35
Incorrect route of drug administration 35
Underdose 34
Lethargy (see also Central nervous system depression in 'Neurological') 32
Recovery prolonged 31
Vomiting 29
Death by euthanasia 27
Behavioural disorder NOS 27

Outcome Breakdown

Recovered/Normal
213 (42.4%)
Ongoing
109 (21.7%)
Died
70 (13.9%)
Outcome Unknown
64 (12.7%)
Euthanized
45 (9.0%)
Recovered with Sequela
1 (0.2%)

Tiletamine Hcl; Zolazapam 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; Zolazapam Hcl, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar report volume

Nearest other drugs by FDA report count (523 here).

Similar death-coded share

Nearest other drugs by death-coded share (22.0% here), distinct from the volume row.

What to do with this drug

  • Compare Tiletamine Hcl; Zolazapam 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; Zolazapam Hcl (#296 of 2,679 by report volume); death-coded 22.0%. PlainBreed drug row · death-coded report count stamp 115 · 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 →