Chlorpheniramine side effects in dogs
135 reports sent to the FDA between 2008 and 2025 involve Chlorpheniramine in dogs. The most reported problems were vomiting, loss of appetite, lethargy. 44% were marked serious.
135Reports
44%Marked serious
0.7%Only medicine involved
33%Recovered
9.6%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 dog 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 (77 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Chihuahua 8 reports
- Maltese 8 reports
- Labrador Retriever 7 reports
- Yorkshire Terrier 6 reports
- Lhasa Apso 5 reports
- Boxer (german Boxer) 5 reports
- Golden Retriever 5 reports
- German Shepherd Dog 5 reports
- Bichon Frise 3 reports
- Shih Tzu 3 reports
Other medicines for dogs
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