Fever after Midazolam in cats

The FDA has received 87 reports of fever in cats after Midazolam. That is 12% of all reports for this medicine, compared with 3.2% across reports for all cat medicines, so it is reported unusually often with this medicine.

87Reports
56%Marked serious
40%Recovered
8.0%Died or euthanised
Same dayTypical onset
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How soon it started

Same day
63 77%
1–2 days
13 16%
3–7 days
4 4.9%
1–4 weeks
1 1.2%
Over a month
1 1.2%

How the animals did

Recovered
35 40%
Still unwell when reported
35 40%
Died
2 2.3%
Euthanised
5 5.7%
Not known
10 11%

Problems reported at the same time

Age of the animals

Under 1 year
28
1–3 years
11
4–7 years
21
8–11 years
12
12+ years
9

About this medicine

Type: medicine.

Questions owners ask

Can Midazolam cause fever in cats?
87 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).

Fever with similar medicines

All reported side effects of Midazolam in cats · Medicines most reported with fever