I had a Tetanus & Pertussis shot today...what are the side affects?!
Question: Usually just a sore arm for a few days.
Fever in rare cases.
Answers: Usually just a sore arm for a few days.
Fever in rare cases.
Your arm may feel sore for a few days, but you should not have any other side effects. My arm was sore for five days after my flu shot this year. Other times, my arm didn't get sore at all, so you may not notice anything.