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My dog is sick after Lepto vaccine. Are these side effects normal?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | 4 years and 1 month old | 62 lbs

I was wanting some advice on the Leptospirosis vaccine.My dog had hers 10 days ago.She has been lethargic,not eating or drnking much.I looked up reviews & was mortified.Animals going into kidney failure,dying!I had a dog for 16 yrs& only had puppy shots,are all these really necessary.I know lepto is optional,and do not think I will give it to her again.

1 Answer

Most Helpful Answer

Shaneez Wallani, DVM

Answered By Shaneez Wallani, DVM

Veterinarian

Published on March 19th, 2019

While not considered a "core" vaccine, the leptospirosis vaccine is highly recommended for dogs who may be at risk for contracting leptospirosis, as it is a disease that can lead to agonizing deaths in both animals and humans. See the links below for more information:
https://www.avma.org/public/PetCare/Pages/Leptospirosis.aspx
https://ebusiness.avma.org/files/productdownloads/LR_COM_ClientBroch_Leptospirosis_022616.pdf
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