Cannabidiol side effects in dogs

143 reports sent to the FDA between 2018 and 2026 involve Cannabidiol in dogs. The most reported problems were diarrhea, loss of appetite, lethargy. 40% were marked serious, and where it was recorded, signs eased after stopping the medicine in 0% of cases.

143Reports
40%Marked serious
0.7%Only medicine involved
16%Recovered
5.6%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

30 21%
22 15%
Vomiting
19 13%
Liver problems
14 9.8%
Weakness
13 9.1%
Breathing problems
12 8.4%
Seizures
12 8.4%
Kidney problems
10 7.0%
Weight loss
8 5.6%
Behaviour change
8 5.6%
Swelling
7 4.9%
Restlessness or agitation
7 4.9%
Wobbliness (ataxia)
7 4.9%
Leucocytosis
6 4.2%

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
5 3.5%
Didn't stop fleas
3 2.1%
Didn't prevent heartworm
1 0.7%

How soon problems started

Same day
15 15%
1–2 days
8 7.8%
3–7 days
9 8.8%
1–4 weeks
13 13%
Over a month
57 56%

Time from the first dose to the first sign, where both dates were reported (102 reports).

How the animals did

Recovered
23 16%
Still unwell when reported
57 40%
Died
2 1.4%
Euthanised
6 4.2%
Not known
55 38%

Breeds named most often

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

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