Diarrhea after Glucosamine in dogs

The FDA has received 245 reports of diarrhea in dogs after Glucosamine. That is 14% of all reports for this medicine, compared with 8.4% across reports for all dog medicines, so it is reported unusually often with this medicine.

245Reports
52%Marked serious
35%Recovered
13%Died or euthanised
35 daysTypical onset
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How soon it started

Same day
20 13%
1–2 days
17 11%
3–7 days
20 13%
1–4 weeks
14 9.3%
Over a month
79 53%

How the animals did

Recovered
79 32%
Recovered with lasting effects
6 2.4%
Still unwell when reported
63 26%
Died
11 4.5%
Euthanised
22 9.0%
Not known
64 26%

Problems reported at the same time

Age of the animals

Under 1 year
0
1–3 years
21
4–7 years
39
8–11 years
94
12+ years
89

About this medicine

Type: medicine.

Questions owners ask

Can Glucosamine cause diarrhea in dogs?
245 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 35 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 Glucosamine in dogs · Medicines most reported with diarrhea