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Is it safe to give my 8-year-old unvaccinated dog distemper shots?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed

My dog is in heat n last month in USG cystic ovary in left side.she was never vaccinated for distemper.she is 8 yrs old n never dewormed also.she is not a puppy so does she need distemper vaccination?also is deworming needed before vaccination?I don't know if she has heartworms also if it is do then distemper vaccination b fatal?can distemper vaccination cause brain inflammation?vet told it will b a 7 in 1 shot so dangerous?heartworms (not sure)+ heat+cystic ovary+never dewormed+old age+shots?

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on May 25th, 2019

1. Distemper and deworming can be given at the same time.
2. Yes, I would give the vaccination plus one booster a month later if she has never been vaccinated before.
3. A simple blood test can be done to check for heartworms. The presence of heartworms has nothing to do with the vaccinations. She can still be vaccinated.
4. I have never heard of the vaccination causing brain inflammation.
5. Vaccines overall are not dangerous - they are life saving, however, there are some dogs than can have a reaction to vaccinations just like humans can. There is no way to know if a reaction will occur before giving the vaccination. All I can say is that vaccine reactions are very rare.
6. If you have no plans to breed her you should have her spayed. With that cystic ovary she has a good chance of developing pyometra (severe uterine infection) as well as mammary (breast) cancer.
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