S-adenosylmethionine side effects in dogs

392 reports sent to the FDA between 2000 and 2026 involve S-adenosylmethionine in dogs. The most reported problems were vomiting, liver problems, loss of appetite. 39% were marked serious.

392Reports
39%Marked serious
0.3%Only medicine involved
37%Recovered
12%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

148 38%
76 19%
54 14%
25 6.4%
20 5.1%
Abnormal radiograph finding
17 4.3%
Blood problems
15 3.8%

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 dog still getting fleas or heartworm), not about a side effect.

Didn't stop worms
7 1.8%
Didn't stop fleas
6 1.5%
Didn't prevent heartworm
6 1.5%
Didn't stop ticks
2 0.5%

How soon problems started

Same day
30 12%
1–2 days
18 7.2%
3–7 days
17 6.8%
1–4 weeks
27 11%
Over a month
157 63%

Time from the first dose to the first sign, where both dates were reported (249 reports).

How the animals did

Recovered
131 33%
Recovered with lasting effects
15 3.8%
Still unwell when reported
101 26%
Died
18 4.6%
Euthanised
30 7.7%
Not known
97 25%

Breeds named most often

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

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