U.S. doctors online nowAsk doctors free
Redondo Beach, CA
A 32-year-old female asked about a 38-year-old male:

Why some people get symptoms (mild fever, aches) from flu shot and others don't?

1 doctor answer1 doctor weighed in
Dr. Robert Killian
General Practice 29 years experience
Antibody production: It is the revving up of the immune system to create antibodies to protect from the flu virus. It is not illness.
Last updated Dec 9, 2013

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.