Hypoglycaemia after Isoflurane in dogs

50 reports to the FDA describe hypoglycaemia in dogs given Isoflurane. That is 1.8% of all reports for this medicine, compared with 0.4% across reports for all dog medicines, so it is reported unusually often with this medicine.

50Reports
92%Marked serious
16%Recovered
58%Died or euthanised
1 daysTypical onset
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How soon it started

Same day
15 39%
1–2 days
8 21%
3–7 days
11 29%
1–4 weeks
2 5.3%
Over a month
2 5.3%

How the animals did

Recovered
7 14%
Recovered with lasting effects
1 2.0%
Still unwell when reported
10 20%
Died
13 26%
Euthanised
16 32%
Not known
3 6.0%

Problems reported at the same time

Age of the animals

Under 1 year
8
1–3 years
9
4–7 years
18
8–11 years
13
12+ years
2

About this medicine

Type: medicine.

Questions owners ask

Can Isoflurane cause hypoglycaemia in dogs?
50 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 1 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).

Hypoglycaemia with similar medicines

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