What Are The Signs Of An Allergic Reaction To The Flu Shot?

What Are The Signs Of An Allergic Reaction To The Flu Shot? Difficulty breathing. Hoarseness or wheezing. Swelling around the eyes or lips. Hives. Paleness. Weakness. A fast heart beat or dizziness. Can you have a delayed allergic reaction to flu shot? Vaccine-associated anaphylaxis is extremely rare, but the most concerning and life-threatening allergic reaction