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sunfire
Thursday, October 22, 2009 sunfire asks

Q: Do vaccines very rarely cause someone to contract an illness?

I got the h1n1 (swine flu) vaccine. Since yesturday I have had a fever flactuating between 99.2 and 100.2 I had the fever last night, today it was down then around 4:00 today it went back up and has been flactuating. My blood pressure is low 105/71 and my throat is getting sore. Any answers from someone who knows are appreciated My 9 yr old cousin caught h1n1 he got to the ER and got the meds within the first 24 hrs and after a week he was over it. I don't know if low Bpressure is a symptom. Should I be worried? I have been told that vaccines will sometimes cause small temps. Thanks Ya'll
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Answers (2)
Christina Bruni
Christina Bruni
10/23/09 9:55pm

Hello sunfire,

 

I have heard that a regular flu vaccine can temporarily cause flu-like symptoms.

 

So it is entirely possible that the h1n1 vaccine, which is a new vaccine, could have a similar effect.  The h1n1 vaccine has not been administered for any reasonably long-term period to know what the effects of the vaccine could be.  It is just too new.

 

I would contact the doctor who gave you the vaccine and tell him or her your new symptoms.  He or she should be able to state for certain why this might have happened.

 

Regards,

Christina

 

 

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Donna-1
Donna-1
10/24/09 12:39pm
What usually happens in these cases is a person gets the vaccine then comes down with the virus, say, in a few days. This may seem that the vaccine is responsible. But usually what is happening is that flu vaccines does not take affect, does not offer protection, for about 2 weeks after you receive it. So if you were exposed shortly before the vaccine or in the 2 weeks after being vaccinated, you can still have the flu. Carolyn Reply
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