Potassium Bromide side effects in dogs

402 reports sent to the FDA between 1999 and 2026 involve Potassium Bromide in dogs. The most reported problems were seizures, vomiting, lethargy. 49% were marked serious, and where it was recorded, signs eased after stopping the medicine in 81% of cases.

402Reports
49%Marked serious
19%Only medicine involved
35%Recovered
7.7%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

105 26%
56 14%
53 13%
32 8.0%
21 5.2%
Breathing problems
18 4.5%
Excessive thirst
18 4.5%
Restlessness or agitation
15 3.7%
Cough
15 3.7%
Tremors
14 3.5%
Weight gain
14 3.5%
Behaviour change
12 3.0%

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 fleas
9 2.2%
Didn't prevent heartworm
5 1.2%
Didn't stop worms
3 0.7%

How soon problems started

Same day
26 14%
1–2 days
19 9.9%
3–7 days
15 7.9%
1–4 weeks
30 16%
Over a month
101 53%

Time from the first dose to the first sign, where both dates were reported (191 reports).

How the animals did

Recovered
131 33%
Recovered with lasting effects
9 2.2%
Still unwell when reported
83 21%
Died
15 3.7%
Euthanised
16 4.0%
Not known
148 37%

Breeds named most often

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

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