Diarrhea after Oxibendazole in horses

The FDA has received 54 reports of diarrhea in horses after Oxibendazole. That is 44% 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.

54Reports
0.0%Marked serious
0.0%Recovered
5.6%Died or euthanised
–Typical onset
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How the animals did

Died
3 5.6%
Not known
51 94%

Problems reported at the same time

10 19%
Loose stool
5 9.3%
Fever
4 7.4%
Dehydration
4 7.4%
Death
3 5.6%
Blood problems
3 5.6%

Age of the animals

Under 1 year
3
1–3 years
1
4–7 years
2
8–11 years
5
12+ years
7

About this medicine

Type: medicine.

Questions owners ask

Can Oxibendazole cause diarrhea in horses?
54 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.
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 Oxibendazole in horses · Medicines most reported with diarrhea