What are the side effects of the influenza vaccine?

Question: 
What are the side effects of the influenza vaccine?
 
Answer: 
The influenza vaccine is very safe, and many people do not experience side effects. Common reactions to the vaccine include soreness, redness, and swelling where the vaccine was given. Other symptoms can include fever, headache, aching muscles, and fatigue that may last 1 to 2 days. 
 
Date last reviewed: 
Wednesday, Nov 03, 2021