Vitamin E side effects in dogs

104 reports sent to the FDA between 2012 and 2026 involve Vitamin E in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 54% were marked serious.

104Reports
54%Marked serious
0.0%Only medicine involved
31%Recovered
11%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

29 28%
21 20%
Liver problems
17 16%
Breathing problems
12 12%
Itching
12 12%
Weakness
11 11%
Behaviour change
10 9.6%
Diarrhea
10 9.6%
Blood problems
9 8.7%
Wobbliness (ataxia)
9 8.7%
Weight loss
8 7.7%
Abnormal radiograph finding
8 7.7%
Kidney problems
8 7.7%
Seizures
8 7.7%

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 work as expected
9 8.7%
Didn't stop fleas
7 6.7%

How soon problems started

Same day
5 8.1%
1–2 days
4 6.5%
3–7 days
9 15%
1–4 weeks
11 18%
Over a month
33 53%

Time from the first dose to the first sign, where both dates were reported (62 reports).

How the animals did

Recovered
26 25%
Recovered with lasting effects
6 5.8%
Still unwell when reported
35 34%
Died
1 1.0%
Euthanised
10 9.6%
Not known
26 25%

Breeds named most often

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

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