Diarrhea after Pergolide in horses

The FDA has received 111 reports of diarrhea in horses after Pergolide. That is 9.0% of all reports for this medicine, compared with 4.9% across reports for all horse medicines, so it is reported unusually often with this medicine.

111Reports
37%Marked serious
37%Recovered
5.4%Died or euthanised
4 daysTypical onset
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How soon it started

Same day
15 17%
1–2 days
23 26%
3–7 days
11 12%
1–4 weeks
12 13%
Over a month
28 31%

How the animals did

Recovered
41 37%
Still unwell when reported
8 7.2%
Died
2 1.8%
Euthanised
4 3.6%
Not known
56 50%

Problems reported at the same time

Age of the animals

Under 1 year
0
1–3 years
0
4–7 years
1
8–11 years
2
12+ years
88

About this medicine

Type: medicine.

Questions owners ask

Can Pergolide cause diarrhea in horses?
111 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 4 days 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).

Diarrhea with similar medicines

All reported side effects of Pergolide in horses · Medicines most reported with diarrhea