Recovery prolonged after Isoflurane in dogs

88 reports to the FDA describe recovery prolonged in dogs given Isoflurane. That is 3.2% of all reports for this medicine, compared with 0.1% across reports for all dog medicines, so it is reported unusually often with this medicine.

88Reports
51%Marked serious
43%Recovered
14%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
52 90%
1–2 days
2 3.4%
3–7 days
0 0.0%
1–4 weeks
0 0.0%
Over a month
4 6.9%

How the animals did

Recovered
36 41%
Recovered with lasting effects
2 2.3%
Still unwell when reported
16 18%
Died
10 11%
Euthanised
2 2.3%
Not known
22 25%

Problems reported at the same time

Age of the animals

Under 1 year
14
1–3 years
25
4–7 years
12
8–11 years
20
12+ years
7

About this medicine

Type: medicine.

Questions owners ask

Can Isoflurane cause recovery prolonged in dogs?
88 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).

Recovery prolonged with similar medicines

All reported side effects of Isoflurane in dogs · Medicines most reported with recovery prolonged