Feline Core Vaccine side effects in cats
1,553 reports sent to the FDA between 2012 and 2026 involve Feline Core Vaccine in cats. The most reported problems were lethargy, loss of appetite, vomiting. 56% were marked serious, and where it was recorded, signs eased after stopping the medicine in 0% of cases.
About this medicine
Type: vaccine.
Mild, short-lived lethargy, soreness or a small lump at the injection site are the most commonly reported vaccine reactions.
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 (1,438 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Domestic Shorthair 1,044 reports
- Domestic Longhair 135 reports
- Domestic Mediumhair 91 reports
- Siamese 28 reports
- Cat (other) 24 reports
- Ragdoll 20 reports
- Maine Coon 18 reports
- Bengal 18 reports
- Persian 16 reports
- Sphynx 8 reports