Fortiflora side effects in dogs

60 reports sent to the FDA between 2017 and 2026 involve Fortiflora in dogs. The most reported problems were loss of appetite, vomiting, lethargy. 73% were marked serious.

60Reports
73%Marked serious
0.0%Only medicine involved
13%Recovered
20%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

23 38%
23 38%
21 35%
Kidney problems
13 22%
Liver problems
10 17%
Urinary tract infection
6 10%
Blood problems
6 10%
Leucocytosis
5 8.3%
Tremors
5 8.3%
Abnormal ultrasound finding
5 8.3%
Proteinuria
5 8.3%
Allergic reaction
4 6.7%
Wobbliness (ataxia)
4 6.7%
Dehydration
4 6.7%

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
5 8.3%

How soon problems started

Same day
7 14%
1–2 days
11 22%
3–7 days
3 6.0%
1–4 weeks
16 32%
Over a month
13 26%

Time from the first dose to the first sign, where both dates were reported (50 reports).

How the animals did

Recovered
8 13%
Still unwell when reported
35 58%
Died
1 1.7%
Euthanised
11 18%
Not known
5 8.3%

Breeds named most often

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

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