Didn't work as expected after Isoflurane in dogs

474 reports to the FDA describe didn't work as expected in dogs given Isoflurane. That is 17% of all reports for this medicine, compared with 13% across reports for all dog medicines.

474Reports
42%Marked serious
41%Recovered
5.5%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
181 74%
1–2 days
22 8.9%
3–7 days
15 6.1%
1–4 weeks
13 5.3%
Over a month
15 6.1%

How the animals did

Recovered
187 39%
Recovered with lasting effects
6 1.3%
Still unwell when reported
45 9.5%
Died
15 3.2%
Euthanised
11 2.3%
Not known
210 44%

Problems reported at the same time

Age of the animals

Under 1 year
59
1–3 years
61
4–7 years
87
8–11 years
88
12+ years
20

About this medicine

Type: medicine.

Questions owners ask

Can Isoflurane cause didn't work as expected in dogs?
474 reports link the two, but a report alone does not prove the medicine was the cause: other illnesses, other medicines or coincidence can be involved. Your vet can judge it for your animal.
How soon after a dose was it reported?
In half of the reports with dates, it started within the same day of the first dose.
What should I do?
Don't give another dose until you've spoken to your vet, and keep the packaging so you can tell them the product and dose. Your vet can also report it to the FDA (or you can, through the manufacturer or FDA form 1932a).

Didn't work as expected with similar medicines

All reported side effects of Isoflurane in dogs · Medicines most reported with didn't work as expected