Leptospirosis Vaccine side effects in dogs
8,017 reports sent to the FDA between 2011 and 2026 involve Leptospirosis Vaccine in dogs. The most reported problems were vomiting, lethargy, allergic reaction. 54% were marked serious, and where it was recorded, signs eased after stopping the medicine in 43% 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 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 (6,690 reports).
How the animals did
Breeds named most often
Popular breeds appear more often because there are more of them.
- Labrador Retriever 629 reports
- Bull - American Pit Terrier 258 reports
- Golden Retriever 252 reports
- German Shepherd Dog 208 reports
- Chihuahua 198 reports
- Shih Tzu 198 reports
- Australian Shepherd Dog 193 reports
- Boxer (german Boxer) 190 reports
- Yorkshire Terrier 175 reports
- French Bulldog 167 reports