Underdose after Isoflurane in dogs

43 reports to the FDA describe underdose in dogs given Isoflurane. That is 1.6% of all reports for this medicine, compared with 1.0% across reports for all dog medicines, so it is reported unusually often with this medicine.

43Reports
67%Marked serious
40%Recovered
16%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
25 69%
1–2 days
3 8.3%
3–7 days
5 14%
1–4 weeks
2 5.6%
Over a month
1 2.8%

How the animals did

Recovered
17 40%
Still unwell when reported
9 21%
Died
6 14%
Euthanised
1 2.3%
Not known
10 23%

Problems reported at the same time

Age of the animals

Under 1 year
6
1–3 years
14
4–7 years
12
8–11 years
8
12+ years
1

About this medicine

Type: medicine.

Questions owners ask

Can Isoflurane cause underdose in dogs?
43 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).

Underdose with similar medicines

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