Interceptor side effects in dogs

223 reports sent to the FDA between 2011 and 2026 involve Interceptor in dogs. The most reported problems were vomiting, loss of appetite, seizures. 65% were marked serious.

223Reports
65%Marked serious
0.0%Only medicine involved
22%Recovered
6.3%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

50 22%
24 11%
Lethargy
16 7.2%
Diarrhea
13 5.8%
Tremors
13 5.8%
Liver problems
13 5.8%
Wobbliness (ataxia)
11 4.9%
Itching
11 4.9%
Behaviour change
8 3.6%
Breathing problems
7 3.1%
Excessive thirst
7 3.1%
Swelling
5 2.2%
Drooling
5 2.2%
Collapse
5 2.2%

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
9 4.0%
Didn't work as expected
6 2.7%
Didn't stop fleas
2 0.9%
Didn't stop ticks
1 0.4%

How soon problems started

Same day
33 26%
1–2 days
10 7.9%
3–7 days
9 7.1%
1–4 weeks
16 13%
Over a month
59 46%

Time from the first dose to the first sign, where both dates were reported (127 reports).

How the animals did

Recovered
49 22%
Still unwell when reported
124 56%
Died
7 3.1%
Euthanised
7 3.1%
Not known
36 16%

Breeds named most often

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

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