Atenolol side effects in cats

89 reports sent to the FDA between 2012 and 2026 involve Atenolol in cats. The most reported problems were vomiting, loss of appetite, behaviour change. 56% were marked serious.

89Reports
56%Marked serious
2.2%Only medicine involved
29%Recovered
18%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

20 22%
Loss of appetite
17 19%
Behaviour change
12 13%
Lethargy
11 12%
Itching
11 12%
Kidney problems
11 12%
Wobbliness (ataxia)
10 11%
Weight loss
9 10%
Restlessness or agitation
7 7.9%
Diarrhea
7 7.9%
Blood problems
6 6.7%
Dehydration
4 4.5%
Breathing problems
4 4.5%
Hair loss
4 4.5%
Pacing
4 4.5%

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 cat still getting fleas or heartworm), not about a side effect.

Didn't work as expected
12 13%
Didn't stop fleas
1 1.1%

How soon problems started

Same day
17 28%
1–2 days
7 11%
3–7 days
3 4.9%
1–4 weeks
3 4.9%
Over a month
31 51%

Time from the first dose to the first sign, where both dates were reported (61 reports).

How the animals did

Recovered
26 29%
Still unwell when reported
31 35%
Died
8 9.0%
Euthanised
8 9.0%
Not known
16 18%

Breeds named most often

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

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