Vitamins side effects in dogs

284 reports sent to the FDA between 2011 and 2025 involve Vitamins in dogs. The most reported problems were vomiting, lethargy, loss of appetite. 20% were marked serious.

284Reports
20%Marked serious
0.0%Only medicine involved
62%Recovered
5.3%Died or euthanised
SponsoredWorried about your pet? Ask a veterinarian online, 24/7

About this medicine

Type: medicine.

Most reported side effects

138 49%
54 19%
26 9.2%
24 8.5%
Behaviour change
18 6.3%
Breathing problems
16 5.6%
Tremors
13 4.6%
Seizures
11 3.9%
Weight loss
10 3.5%
Wobbliness (ataxia)
9 3.2%
Liver problems
9 3.2%
Unpalatable
8 2.8%
Vocalising
8 2.8%
Skin rash or irritation
6 2.1%

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
3 1.1%
Didn't prevent heartworm
1 0.4%

How soon problems started

Same day
17 9.1%
1–2 days
2 1.1%
3–7 days
2 1.1%
1–4 weeks
25 13%
Over a month
140 75%

Time from the first dose to the first sign, where both dates were reported (186 reports).

How the animals did

Recovered
141 50%
Recovered with lasting effects
35 12%
Still unwell when reported
22 7.7%
Died
7 2.5%
Euthanised
8 2.8%
Not known
71 25%

Breeds named most often

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

Other medicines for dogs