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My horse is on antibiotics. Can I safely get her vaccinated?

Updated On September 23rd, 2025

Pet's info: Farm Animal | Horse | Female | unspayed | 30 years old | 1140 lbs

Hello. I have a Standardbred mare, age 30, currently on SMZ's until Monday 15 April. The 4 way vaccination(Eastern and Western equine encephalomyelitis, influenza due to type A2 (Kentucky '97) is due to be given this Friday 12 April. Can I safely vaccinate the horse while on SMZ's?

1 Answer

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on April 10th, 2019

Hi there. In general, there is no reason that vaccines can't be given while an animal is taking antibiotics - so as long as she's not actively sick (normal temperature, acting fine, etc.), this shouldn't be a problem.

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