Glucosamine side effects in cats

87 reports sent to the FDA between 2001 and 2026 involve Glucosamine in cats. The most reported problems were vomiting, loss of appetite, lethargy. 43% were marked serious.

87Reports
43%Marked serious
1.1%Only medicine involved
25%Recovered
8.0%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

24 28%
Loss of appetite
18 21%
Lethargy
12 14%
Behaviour change
10 11%
Weight loss
9 10%
Itching
8 9.2%
Diarrhea
7 8.0%
Kidney problems
6 6.9%
Liver problems
5 5.7%
Blood problems
5 5.7%
Seizures
5 5.7%
Skin rash or irritation
5 5.7%
Hair loss
5 5.7%
Eye or vision problems
4 4.6%
Skin scab
4 4.6%

Share = percentage of this medicine's reports that mention the problem. One report can list several problems.

Reports that it didn't work

Some reports are about the medicine not working (for example a cat still getting fleas or heartworm), not about a side effect.

Didn't work as expected
12 14%
Didn't stop fleas
1 1.1%

How soon problems started

Same day
13 24%
1–2 days
4 7.3%
3–7 days
5 9.1%
1–4 weeks
14 25%
Over a month
19 35%

Time from the first dose to the first sign, where both dates were reported (55 reports).

How the animals did

Recovered
22 25%
Still unwell when reported
25 29%
Died
2 2.3%
Euthanised
5 5.7%
Not known
33 38%

Breeds named most often

Popular breeds appear more often because there are more of them.

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