N-butylscopolaminium Bromide side effects in horses

76 reports sent to the FDA between 2013 and 2026 involve N-butylscopolaminium Bromide in horses. The most reported problems were colic, swelling, liver problems. 75% were marked serious, and where it was recorded, signs eased after stopping the medicine in 50% of cases.

76Reports
75%Marked serious
74%Only medicine involved
43%Recovered
49%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Colic
14 18%
Swelling
9 12%
Liver problems
7 9.2%
Wobbliness (ataxia)
7 9.2%
Loss of appetite
7 9.2%
Allergic reaction
6 7.9%
Fever
6 7.9%
Recumbency
6 7.9%
Kidney problems
5 6.6%
Tachycardia
5 6.6%
Lethargy
5 6.6%
Abnormal ultrasound finding
5 6.6%
Diarrhea
5 6.6%
Neurological signs
4 5.3%
Collapse
4 5.3%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a horse still getting fleas or heartworm), not about a side effect.

Didn't work as expected
13 17%

How soon problems started

Same day
51 78%
1–2 days
8 12%
3–7 days
3 4.6%
1–4 weeks
2 3.1%
Over a month
1 1.5%

Time from the first dose to the first sign, where both dates were reported (65 reports).

How the animals did

Recovered
32 42%
Recovered with lasting effects
1 1.3%
Still unwell when reported
1 1.3%
Died
11 14%
Euthanised
26 34%
Not known
5 6.6%

Breeds named most often

Popular breeds appear more often because there are more of them.

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