Monensin Sodium side effects in horses

120 reports sent to the FDA between 2011 and 2026 involve Monensin Sodium in horses. The most reported problems were colic, accidental exposure, loss of appetite. 93% were marked serious.

120Reports
93%Marked serious
96%Only medicine involved
5.0%Recovered
79%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

20 17%
Accidental exposure
18 15%
Loss of appetite
15 13%
Recumbency
10 8.3%
Malaise
8 6.7%
Lethargy
7 5.8%
Diarrhea
7 5.8%
Behaviour change
6 5.0%
Drooling
5 4.2%
Wobbliness (ataxia)
5 4.2%
Cardiac disorder
5 4.2%
Neurological signs
5 4.2%
Weight loss
4 3.3%
Nt - abnormal necropsy finding
4 3.3%
Breathing problems
4 3.3%

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

How soon problems started

Same day
65 56%
1–2 days
21 18%
3–7 days
8 6.9%
1–4 weeks
15 13%
Over a month
7 6.0%

Time from the first dose to the first sign, where both dates were reported (116 reports).

How the animals did

Recovered
6 5.0%
Still unwell when reported
7 5.8%
Died
90 75%
Euthanised
5 4.2%
Not known
12 10%

Breeds named most often

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

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