Drug profile

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

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

#406 of 2,679
by report volume (all drugs)
316
adverse-event reports
23.1%
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 #402 of 2679 by total reports (316) and #197 of 1130 by death-coded share (23.1%). 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)
#402
This drug, reports of 2679
#197
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 316 reports now versus 312 in that prior snapshot: 4 more (1.3%).

Report change
+4
Death-coded reports
+1
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 73 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.
316
Total Reports
73
Deaths Reported
23.1%
Death-coded share of reports

Active Ingredients

Tiletamine Hcl;Zolazapam Hcl

Administration Routes

IntramuscularUnknownIntravenousSubcutaneousOphthalmicOralOther

Species Affected

Dog 156
Cat 106
Unknown 38
Human 7
Monkey 3
Horse 2
Other 1
Tiger 1
Pig 1
Bear 1

Most Affected Breeds

Domestic Shorthair 59
Unknown 51
Dog (unknown) 40
Cat (other) 33
Retriever - Labrador 12
Terrier - Bull - American Pit 12
Shepherd Dog - German 7
Domestic Mediumhair 6
Terrier - Yorkshire 5
Terrier (unspecified) 5

Most Reported Reactions

Lack of efficacy - NOS 74
Death 41
Unrelated death 20
Cardiac arrest 18
Ataxia 17
Lethargy (see also Central nervous system depression in 'Neurological') 16
Recovery prolonged 16
Vomiting 15
Underdose 15
Color, Abnormal 13
Bradycardia 13
Cyanosis 13

Outcome Breakdown

Recovered/Normal
103 (36.7%)
Ongoing
80 (28.5%)
Died
44 (15.7%)
Euthanized
29 (10.3%)
Outcome Unknown
24 (8.5%)
Recovered with Sequela
1 (0.4%)

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 death-coded share

Nearest other drugs by death-coded share (23.1% 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 (#406 of 2,679 by report volume); death-coded 23.1%. PlainBreed drug row · death-coded report count stamp 73 · 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 →