Tiletamine + Zolazepam side effects in cats

1,658 reports sent to the FDA between 1995 and 2026 involve Tiletamine + Zolazepam in cats. The most reported problems were wobbliness (ataxia), recovery prolonged, cardiac arrest. 24% were marked serious, and where it was recorded, signs eased after stopping the medicine in 84% of cases.

1,658Reports
24%Marked serious
71%Only medicine involved
15%Recovered
34%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a cat still getting fleas or heartworm), not about a side effect.

Didn't prevent heartworm
2 0.1%

How soon problems started

Same day
479 79%
1–2 days
69 11%
3–7 days
26 4.3%
1–4 weeks
21 3.4%
Over a month
14 2.3%

Time from the first dose to the first sign, where both dates were reported (609 reports).

How the animals did

Recovered
249 15%
Recovered with lasting effects
1 0.1%
Still unwell when reported
128 7.7%
Died
499 30%
Euthanised
73 4.4%
Not known
708 43%

Breeds named most often

Popular breeds appear more often because there are more of them.

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