Digestive tract disorder after Omeprazole in horses

The FDA has received 25 reports of digestive tract disorder in horses after Omeprazole. That is 1.3% of all reports for this medicine, compared with 1.0% across reports for all horse medicines.

25Reports

48%Marked serious

12%Recovered

12%Died or euthanised

–Typical onset

How the animals did

Recovered

3 12%

Still unwell when reported

1 4.0%

Euthanised

3 12%

Not known

18 72%

Problems reported at the same time

Didn't work as expected

14 56%

Gastric ulcer

9 36%

Behaviour change

3 12%

Systemic disorder

3 12%

Overdose

3 12%

Death

3 12%

Colic

3 12%

Abdominal pain

2 8.0%

Age of the animals

Under 1 year

1–3 years

4–7 years

8–11 years

12+ years

About this medicine

Type: medicine.

Questions owners ask

Can Omeprazole cause digestive tract disorder in horses?: 25 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).

All reported side effects of Omeprazole in horses · Medicines most reported with digestive tract disorder