Phenobarbital side effects in cats
130 reports sent to the FDA between 2011 and 2026 involve Phenobarbital in cats. The most reported problems were seizures, itching, loss of appetite. 60% were marked serious, and where it was recorded, signs eased after stopping the medicine in 100% of cases.
130Reports
60%Marked serious
3.8%Only medicine involved
22%Recovered
17%Died or euthanised
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About this medicine
Type: medicine.
Most reported side effects
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.
How soon problems started
Time from the first dose to the first sign, where both dates were reported (92 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 73 reports
- Domestic Longhair 12 reports
- Domestic Mediumhair 9 reports
- Siamese 4 reports
- Maine Coon 4 reports
- Cat (other) 3 reports
- Ragdoll 2 reports
- Domestic 1 reports
- Manx 1 reports
- American Shorthair 1 reports
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