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Doctor insights on: Hives After Flu Shot

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What should you do if you get hives after a flu shot?

What should you do if you get hives after a flu shot?

Flu shot allergy: Take Benadryl (diphenhydramine) to counteract the hypersensivity and relieve the itch. Consult your doctor to ascertain whether it's allergy to the influenza virus or to egg. If you experience trouble with your breathing, rush to the ed.

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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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18 month old got her vaccines that were due and a flu shot 10 days ago. Now she is breaking out in hives. No symptoms or diet change. Related?

18 month old got her vaccines that were due and a flu shot 10 days ago. Now she is breaking out in hives. No symptoms or diet change. Related?

Possible: It is usually not the killed virus itself but what may be added to the vaccine which can cause an allergic reaction. For example, some vaccines do contain small amount of gelatin to which a few people may have become allergic.

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Is it abnormal for my 3 year old to develop hives around the injection site of a flu vaccine? They didn't show up until the next day.

Is it abnormal for my 3 year old to develop hives around the injection site of a flu vaccine? They didn't show up until the next day.

Injection site Rx: An injection site reaction is the appearance of skin changes and irritation at the location of an injection. Such reactions can be especially common with some types of drugs and in other cases might be the result of allergies or sensitivities. Some can be dangerous. If a patient notices skin changes, it is important to contact a doctor or nurse to discuss them.

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I broke out in hives right after dinner, starting at my lower torso. I also had the flu vaccine 4-5 hrs earlier. Do I have food or vaccine allergy?

I broke out in hives right after dinner, starting at my lower torso. I also had the flu vaccine 4-5 hrs earlier. Do I have food or vaccine allergy?

Vaccine more likely: Either one sounds possible, but I would be more suspicious of the vaccine. But it might be something else entirely. But to be completely safe, I suggest contacting the doctor's office where you were vaccinated; or your primary care provider if you were vaccinated outside a doctor's office, e.g. a pharmacy.

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When should I get my flu shot?

When should I get my flu shot?

Mid-Sep. To mid-Nov.: In the U.S., the best time to get a flu shot each fall is in October, which means September through November is fine. However, if one misses his shot at those times, it is still fine to get it anytime until the end of the flu season. The flu season ends at the end of winter (February-March).

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What happens if a child gets an adult flu shot?

What happens if a child gets an adult flu shot?

Not much usually: If a child gets an adult flu shot then usually there is not much that happens although a higher dose may cause a skin reaction. Just monitor carefully and if something starts to happen then please contact your dr for treatment of symptoms or if needs to be seen. Did your child get an adult flu shot?

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What is the definition or description of: flu shot?

What is the definition or description of: flu shot?

Flu shot: It is the trivalent influenza vaccine which contains purified inactivated antigens against viral strains from a & b virus strains.

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How safe is a flu shot?

How safe is a flu shot?

Very!!: Although side effects can occur, such as fever, soreness, occasional achiness, and theoretically very rare more serious problems, it is much safer than being infected with the potential side effects of the infection, up to and including death! Immunize, immunize, immunize.

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When was my last flu shot?

When was my last flu shot?

Ask your doctor: We do not have your medical records. You should keep track of your immunizations,

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When should I get flu shot?

NOW!: Get it as soon as possible when available. Winter is flu season but according to the cdc when it occurs ; how long it lasts is variable. Sometimes flu outbreaks can begin as early as october. Over the last 30 years the peak flu month has most often been february.

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How do you give a flu shot?

Needle size: Good point on the length of the needle. I have seen offices use the 5/8" needle which is way too short to get into the muscle. You must use at least a 1" needle depending on the person you are injecting.

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Can I get flu from flu shot?

Can I get flu from flu shot?

No: A resounding no. The fever or occasional symptoms are a consequence of the immune system reacting to the vaccine. Not any infection.

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Should I get my baby a flu shot?

Should I get my baby a flu shot?

Yes: If there's no specific reason your child shouldn't receive the shot, like an allergy, then, yes, most definitely. Flu shots can be given yearly after 6 months of age. Not giving the shot is not the same as not taking a risk; you're just accepting the much larger risk of getting the illness and a serious complication. Besides hygiene/clean water, nothing compares with vaccines for health value.

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Who should get a flu shot in the us?

Influenza Vaccine: Really - anyone over the age of 6 months.

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What is the half life of a flu shot?

What is the half life of a flu shot?

Lasts through season: I'm not sure if you're asking when it will kick in, or how long it lasts... Flu shots are good for the season, since they're geared to the expected strains. They don't "wear off" so much as fail to cover the strains coming out the next fall. It takes a couple weeks for the immunity to kick in, but they should last a long while; new shot needed every fall due to new strains.

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Why is it important to get a flu shot?

Flu isn't innocent: The flu shot is highly effective at preventing not only you from getting the flu, but from you spreading it about. Most who get the flu have high fevers, coughing, and vomiting and misery. A large group get pneumonia, and about 36k die in this country every year. Those with infants under 6mo have to get the shot so baby doesn't get it. Infants are especially susceptible to bad consequences.

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What are the side-effects of Flu shot?

What are the side-effects of Flu shot?

Flu shot: The flu shot has inactivated virus- so it will not infect you with the flu. If you have reactions to the shot they usually resolve within one to two days. Side effects can include a low grade fever, aches & pain, and localized swelling, redness and pain at the shot site. Some people have had allergic reactions to the flu vaccine.

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Any side affects of getting a flu shot?

Any side affects of getting a flu shot?

Potentially: 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.

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Dr. James Chapman
3 Doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


Dr. Mark Diamond
2,227 Doctors shared insights

Fever (Definition)

Fever = elevated body temperature (can be ...Read more