A member asked:

I am experiencing insomnia for over 2 weeks after i had a flu shot. how long does this side effect last?

3 doctors weighed in across 2 answers

Not due to flu shot: Flu shot is not likely to be the cause of your insomnia.

Answered 12/23/2012

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Dr. Christopher Wilson answered

Specializes in Sleep Medicine

Not from the shot: This isn't a side effect from a vaccine unless you're stressed out from receiving it and think something bad will happen.

Answered 11/24/2014

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