Blood in faeces after Meloxicam (Metacam) in dogs

The FDA has received 58 reports of blood in faeces in dogs after Meloxicam. That is 0.7% of all reports for this medicine, compared with 0.2% across reports for all dog medicines, so it is reported unusually often with this medicine.

58Reports
57%Marked serious
31%Recovered
17%Died or euthanised
3 daysTypical onset
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How soon it started

Same day
10 20%
1–2 days
15 30%
3–7 days
8 16%
1–4 weeks
10 20%
Over a month
7 14%

How the animals did

Recovered
17 29%
Recovered with lasting effects
1 1.7%
Still unwell when reported
8 14%
Died
6 10%
Euthanised
4 6.9%
Not known
22 38%

Problems reported at the same time

Age of the animals

Under 1 year
6
1–3 years
7
4–7 years
13
8–11 years
16
12+ years
14

About this medicine

Meloxicam relieves pain and inflammation.

Products with this ingredient include Metacam. The FDA hides brand names in its public data, so these reports cover every product with the same active ingredients.

NSAIDs can affect the stomach, liver and kidneys. Vets usually recommend blood tests before and during long-term use.

Questions owners ask

Can Meloxicam cause blood in faeces in dogs?
58 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 3 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).

Blood in faeces with similar medicines

All reported side effects of Meloxicam in dogs · Medicines most reported with blood in faeces