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Doctor insights on: Allergic Reaction To Flu Shot

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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

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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My daughter is scheduled to get her flu shot in November. I'm terrified because I'm afraid she will have an allergic reaction. What can I do?

My daughter is scheduled to get her flu shot in November. I'm terrified because I'm afraid she will have an allergic reaction. What can I do?

Mgt: If your child has an egg allergy, please let your provider know. Even with an egg allergy, many patients will still be able to safely receive the flu vaccine. I would suggest reviewing the side effects with your physician. ...Read more

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My daughter is able to get her flu shot but I'm scared she will have an allergic reaction to the chicken eggs used. Any suggestions?

My daughter is able to get her flu shot but I'm scared she will have an allergic reaction to the chicken eggs used. Any suggestions?

What type of: reaction did she have in the past? If there has been any reaction that can be attributed, then the flu shot is not for her. If she has had a reaction, and she got the flu shot, I would have Benadryl (diphenhydramine) and/or Atarax ready with perhaps some Epi pen just in case. Egg allergies can be nasty and unpredictable. ...Read more

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Every time i get flu shot i get sick badly. should i even bother getting one? im 32 with bad all yr allergies and diabetic..

Every time i get flu shot i get sick badly. should i even bother getting one? im 32 with bad all yr allergies and diabetic..

Uncommon: Since flu vaccines (aside from the nasal spray form) consist of killed virus , they shouldn't make you ill. There are rare cases of neurologic complication from flu vaccine reported. There is an intradermal form of flu vaccine which you may be able to tolerate. However if you still get sick from it regardless of the mechanism, discuss with your doctor re. pros and cons in skipping it. ...Read more

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Last night before bed, i started to cough. Now all day today, i can't stop coughing! no other symptoms besides a ticklish throat. I have asthma & allergies & received a flu shot. What could this be?

Last night before bed, i started to cough. Now all day today, i can't stop coughing! no other symptoms besides a ticklish throat. I have asthma & allergies & received a flu shot. What could this be?

Lots of things: Could be asthma, post nasal drip down the back of throat, or a virus, or a way some people present from reflux. If over the counter cough medicines don't help and keeping a cool mist humidifier by your bed, see your doctor(assuming you tried using your asthma medication ). ...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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What can cause a reaction after PPD and a flu shot?

What can cause a reaction after PPD and a flu shot?

What type of rxn?: See: https://www.cdc.gov/flu/protect/vaccine/general.htm for a list of potential side effects. ...Read more

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If i m having a reaction to a flu shot is it ok to take echinacea?

If i m having a reaction to a flu shot is it ok to take echinacea?

No: Despite its popularity, some recent studies of echinacea have not found that it helps. Commonly used when people get colds...There is no good clinical evidence for its use. If echinacea does have a benefit, many researchers feel that it has not been proven. ...Read more

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When would a flu shot reaction occur? Could it be days later?

Flu vaccine: Most of the time a reaction to a vaccine happens in the first 48 hours. If you got a live virus flu vaccine (like the nasal spray) you could get a fever or reaction even a week later. ...Read more

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Help please? What is causing reaction after ppd, flu shot, etc?

Help please? What is causing reaction after ppd, flu shot, etc?

Please let us: know which of these you desire to know about so that we can provide specific feedback. Clarify and re-ask. Thanks, ...Read more

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Help! what could be causing reaction after having ppd, flu shot, etc?

Help! what could be causing reaction after having ppd, flu shot, etc?

If you specify: what the reaction was & the specific vaccines- then we can try to provide a helpful answer. Take care. ...Read more

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Very worried about getting my 1year old a flu shot. What are the risk of him having a bad reaction to it. I don't think he has ever had eggs yet.?

Very worried about getting my 1year old a flu shot. What are the risk of him having a bad reaction to it. I don't think he has ever had eggs yet.?

Minimal: The killed injectible has minimal local effect this year & rarely any fever or added symptoms. The flu, however has resulted in several hospital admissions for kids already this year at this location. ...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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Got the standard flu shot today and had some slight raised redness. What is really weird is that I also have the same reaction in the opposite arm??

Got the standard flu shot today and had some slight raised  redness.  What is really weird is that I also have the same reaction in the opposite arm??

Vaccine reaction: It's normal to have mild local reactions on the same arm where you receive flu vaccine. If there are red spots elsewhere on your body, it is possible that you are having an allergic reaction to your vaccine, and I would contact your doctor, and you can try a dose of Benadryl (diphenhydramine) to see if that helps the rash. If you are short of break or have throat swelling you should go to the closest ER. ...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

Dr. John Chiu
2,592 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
1,035 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