I wonder if anyone could tell me how long it takes to experience a reaction to the H1N1 flu vaccine. I had the shot last Saturday and felt great until Wednesday. Since then then I have had a wicked headache and just generally feel rotten: nauseous, tired, etc. So I am not sure if it's a run-of-the mill bug or a reaction to the shot. Thank you  
 
Edited by Katt, 2009-11-20 09:42:22

If I remember correctly, the vaccine shot takes 21 days to fully run through the body...And it doesn't prevent it during the 21 day waiting period...so perhaps what your feeling might be the start of the common cold or something...but if it gets worse, you might consider seeing the walk - in...better safe than sorry

Myself and my 2 children got it yesterday......none of us have had any reactions so far. Not even a sore arm...it was like we never got the needle. Feel as always, nothing different.

my shot a week ago today and had a terribly sore arm for about 4 days.Other co-workers had no side effects and one other had a terrible headache for about 3 days  
I guess it affects all of us differently.

all had our shots over 3 weeks ago. I personally had aches and pains for about 3 days after. Starting the first day after the shots. Everyone else, well no reaction at all..

shots yesterday. The girls had a sore arm the rest of the day but nothing today. My arm is a bit tender and I've been taking tylenol for a stubborn headache. I'm tired and don't have any oomph to do anything more than I have to. Can't decide if I'm hot or cold, earlier I was shivering, now I'm too warm and clammy.  
My shot had the adjuvent (sp)in it whereas the girls didn't so maybe that's part of the reason.

Son had a high fever for 2 days and I had a terribly sore arm for 3 days.

I had the vaccine the 2nd day it came out, I got sick overnight. It felt like a rash in my throat basically.

the next day after he received the shot. Fever, body aches, fatigue, sore throat and headache. He was perfectly fine before the shot, and the only one out of the four of us to have any ill after-effects.  
 

My son became very sick after the vaccine and we are still unsure of the exact cause.  
 
Here is where I panicked about it:  
http://www.ebrandon.ca/messagethread.aspx?message_id=219459&cat_id=14  
 
He has finally come back to normal this week (*knock on wood*)