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Doctor insights on: Allergic Reaction To The Flu Shot

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Flu Shot (Definition)

Also known as influenza vaccines, flu shots are given out once a year to protect against the flu. The flu shot stimulates the immune system to build antibodies to three or four strains of flu viruses in the hopes that it will offer protection from the current strains present in the community. Each year the Centers for Disease Control (CDC) monitors the strains of Influenza globally and incorporates the appropriate antigens in the new vaccine. For best protection the vaccine ...Read more


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What does an allergic reaction from the flu shot look like?

What does an allergic reaction from the flu shot look like?

Local vs systemic: A local reaction involves swelling of the injection site with associated pain. A systemic reaction can involve a rash, cough, swelling of the face and difficulty breathing. ...Read more

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My friend has a sore throat, stomach ache, headache and fatigue. He got the flu shot a few weeks ago. Is it allergies? A cold? What could it be?

My friend has a sore throat, stomach ache, headache and fatigue. He got the flu shot a few weeks ago. Is it allergies? A cold? What could it be?

Many possibilities: Not the flu unless he was already in the early stages. In the flu shot the viral genetic material has been denature or "killed." your body will probably react with mild symptoms because of the remaining products used in you immune response. The responses vary on how fast your immune system responds. Could be many causes .. Least of which is the flu. ...Read more

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I have had allergic reactions to the MMR and the tdap as an adult. Iam still experiencing symptoms from the tdap. It is mandatory to have take the flu shot where i work. I am also being treated for an unusual scalp lesion that will not heal for the last

I have had allergic reactions to the MMR and the tdap as an adult. Iam still experiencing  symptoms from the tdap. It is mandatory to have  take the flu shot where i work. I am also being treated for an unusual scalp lesion that will not heal for the last

Speak with Doctor: You cannot be forced to take the flu shot. Though it is much safer to be vaccinated against influenza than to contract this deadly virus, you can speak with your primary care doctor who can help you to advise your employer of your decision not to get the flu shot. ...Read more

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I got the flu shot yesterday and noticed today I have a small rash on the side of my face and jaw. Is this a reaction to the flu shot.

I got the flu shot yesterday and noticed today I have a small rash on the side of my face and jaw. Is this a reaction to the flu shot.

Probably not.: This does not sound like a reaction to the flu vaccine. However, I cannot tell what the rash is from without seeing it. You should have it seen by your doctor, or if you are signed up with the HealthTap Prime subscription, request a consult by a HealthTap doctor. ...Read more

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Due to a reaction I had to the flu shot as a kid pharmacists won't give me one. What can I do to prevent the flu otherwise??

Due to a reaction I had to the flu shot as a kid pharmacists won't give me one. What can I do to prevent the flu otherwise??

Reexamine Reaction !: Please determine what reaction you had. It may not always be medically confirmed. There is no better way to prevent flu,than the vaccination. Mega vitamins, fluids, rest and discussed but not proven tobe effective prevention tools. Good hand washing, avoiding crowded places will held. If symptoms suggestive of flu are seen contact your doctor for a test swab and get treated appropriately. ...Read more

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Hello we live in australia and want to know is it safe to get our 5 year old daughter the flu shot? Some kids had bad reaction in 2010 to influvac one

Hello we live in australia and want to know is it safe to get our 5 year old daughter the flu shot? Some kids had bad reaction in 2010 to influvac one

Yes: Each year the flu vaccine is a new strain, based on the type of flu that is expected that year. Talk with your doctor to make sure there are no contraindications, but, in general, getting the flu vaccine is safer than getting the flu! ...Read more

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If you are allergic to penicillin, and you also not get the flu shot?

No relation: Being allergic to penicillin does not put the affected individual at risk to develop severe reaction to flu shot. ...Read more

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My husband is truly allergic to neosporin. The flu shot apparently contains this. Can he have a flu shot? He has never had one before.

Unlikely: Neomycin will give mild local reaction , some vaccines like polio will have very small concentration , flue vaccine is cultivated from egg yolk , if you are allergic to eggs , may give reaction speak to your doctor. ...Read more

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Could I be allergic to just dippy-cooked eggs? It seems like I can eat scrambled and hard-boiled eggs. What's it mean for vaccines like the flu shot?

Could I be allergic to just dippy-cooked eggs? It seems like I can eat scrambled and hard-boiled eggs. What's it mean for vaccines like the flu shot?

Yes: Some egg allergic individuals are able to tolerate well cooked or baked egg, but have issues with under cooked or raw egg. There is no specific recommendations on how well to cook eggs, and care needs to be taken. I would recommend evaluation by a board certified allergist. For the Flu shot- The amount of allergen in the vaccine in minimal, unless you reacted in the past get the vaccine ...Read more

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I read that the flu shot is made from antibiotics. Safe for people allergic to keflex and penicillin?

I read that the flu shot is made from antibiotics. Safe for people allergic to keflex and penicillin?

No/ Yes: Influenza vaccines are made with dead viral antigens or inactivated live virus. They are not made with antibiotics and can be given to anyone who is allergic to antibiotics. ...Read more

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If you have had adverse reactions to the hep b vaccine, the MMR vaccine and the tdap should you take the flu shot?

If you have had adverse reactions to the hep b vaccine, the MMR vaccine and the tdap should you take the flu shot?

Depends: Talk to you doctor, or explain the rash here on health tap with more detail. Some reactions mean you should not get certain vaccines. Other reactions may mean you need to bake some Ibuprofen and Benadryl (diphenhydramine) before the vaccine (or other meds depending). Let us know exactly what you reactions were. ...Read more

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What does the flu shot protect?

What does the flu shot protect?

Not much: The flu shot is supposed to build antibodies to different strains of flu virus in the hopes that it will offer cross protection to the current strains. It contains other contaminants that can be toxic. I am not a fan of the flu shot. Other physicians may have a different experience. ...Read more

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Can the flu shot cause sickness?

Can the flu shot cause sickness?

Influenza vaccine: Flu shot side effects may include: slight swelling, redness or pain at vaccination site. If headache, nausea, fever or muscular pain occur they usually resolve within one to two days. You won't get the flu from a flu shot because the virus either contains inactivated virus or doesn't have virus particles in it. Severe side effects are rare. ...Read more

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Should i give my children the flu shot?

Should i give my children the flu shot?

I do.: It really upsets me to see my children feeling miserable. I want to protect them. ...Read more

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Should everyone get the flu shot?

Should everyone get the flu shot?

Just about: everyone. It is not for infants younger than 6 months of age. "People who have experienced a severe (life threatening) allergy to a prior dose of an seasonal influenza vaccine" should not get the flu shot per the CDC. ...Read more

Dr. John Chiu
2,586 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. John Chiu
1,033 doctors shared insights

Allergic Reaction (Definition)

Sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more