Prazosin side effects in cats

56 reports sent to the FDA between 2013 and 2026 involve Prazosin in cats. The most reported problems were loss of appetite, lethargy, fever. 43% were marked serious.

56Reports
43%Marked serious
1.8%Only medicine involved
38%Recovered
11%Died or euthanised
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About this medicine

Type: medicine.

Most reported side effects

Loss of appetite
16 29%
Lethargy
8 14%
Fever
8 14%
Behaviour change
7 13%
Drooling
6 11%
Hair loss
5 8.9%
Sedation
5 8.9%
Dilated pupils
5 8.9%
Not urinating
5 8.9%
Seizures
5 8.9%
Breathing problems
4 7.1%
Weakness
4 7.1%
Wobbliness (ataxia)
4 7.1%
Distress
4 7.1%
Vomiting
3 5.4%

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
3 5.4%

How soon problems started

Same day
12 23%
1–2 days
17 33%
3–7 days
8 15%
1–4 weeks
7 13%
Over a month
8 15%

Time from the first dose to the first sign, where both dates were reported (52 reports).

How the animals did

Recovered
21 38%
Still unwell when reported
16 29%
Euthanised
6 11%
Not known
13 23%

Breeds named most often

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

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