Ponazuril side effects in horses

176 reports sent to the FDA between 2001 and 2026 involve Ponazuril in horses. The most reported problems were wobbliness (ataxia), swelling, loss of appetite. 39% were marked serious.

176Reports
39%Marked serious
86%Only medicine involved
13%Recovered
15%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Swelling
19 11%
Loss of appetite
14 8.0%
Neurological signs
13 7.4%
Behaviour change
12 6.8%
Allergic reaction
10 5.7%
Fever
9 5.1%
Lameness
8 4.5%
Lethargy
8 4.5%
Diarrhea
7 4.0%
Abdominal pain
6 3.4%
Hair loss
6 3.4%
Tremors
6 3.4%
Recumbency
6 3.4%
Seizures
5 2.8%

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.

How soon problems started

Same day
11 11%
1–2 days
16 16%
3–7 days
17 17%
1–4 weeks
31 30%
Over a month
28 27%

Time from the first dose to the first sign, where both dates were reported (103 reports).

How the animals did

Recovered
23 13%
Still unwell when reported
16 9.1%
Died
10 5.7%
Euthanised
17 9.7%
Not known
110 63%

Breeds named most often

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

Other medicines for horses