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Doctor insights on: Arm Pain After Flu Shot

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I'm having pain in arm after flu shot. Is this normal?

I'm having pain in arm after flu shot. Is this normal?

Yes its quite common: It can last for less than a day in majority of people, but in some it could last longer, for a few days. If it last longer 2-3 days or is getting worse, see your pcp, as it might be something else. ...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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I got a flu shot about a 1.5 weeks ago and bled when i got it. Now I have a deep bruise and some arm pain through the whole arm. Is this normal?

I got a flu shot about a 1.5 weeks ago and bled when i got it. Now I have a deep bruise and some arm pain through the whole arm. Is this normal?

No, but possible: Normally one wouldn't bleed after any vaccine shot, but very occasionally the point of the needle might pierce a slightly aberrant large vein inadvertently, and result in more bleeding that typically occurs. The deep bruise tells me there was bleeding under the skin. This normally passes with time and will gradually get better. Sometimes a heating pad or warm soaks help speed the resolution. ...Read more

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My arm hurts after flu shot?

My arm hurts after flu shot?

Everyone has that: I think everyone has a soreness around the injection site which may feel worse the day after, but gets better quickly. The vaccine is injected directly into the muscle and irritates it temporarily and mildly. Many places offer an education sheet to keep for reference when vaccines are administered. It explains possible side effects and if there should concern about any of them. ...Read more

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Arm itches 2 days after flu shot?

Arm itches 2 days after flu shot?

That's OK: Every vaccine is intended to get your immune system's undivided attention. When it does, you get a little inflammation at the site (a sign the vaccine is doing its job), and sometimes that inflammation can precicipitate an itch. If there is a little redness, that's ok, a lot of redness, or a spreading rash, should probably get you to see your doctor. ...Read more

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Why does my arm hurt after getting a flu shot?

Why does my arm hurt after getting a flu shot?

Muscle inflammation: Flu vaccines are generally injected into the deltoid, the muscular part of the arm. It causes inflammation of the area and followed by a slight immune reaction (desired effect). So, your arm/deltoid should be sore for 1 to 2 days following the injection. ...Read more

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Can my flu shot be causing the weird sensations in my arm?

Not all over: You can get some sensation or weird feeling at the site of injection in the upper arm but not any other part of the arm. ...Read more

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I have a severe, sharp, localized pain that radiates away from the area when i move my arm specific ways. I am a week out from my flu shot, Why?

If you are having: pain at the site of an immunization that can be normal as it goes into the muscle and sometimes it causes a small bruise in the muscle, not to be confused with a blood clot that travels to the lungs. If your arm is red and tender it is possible you may have an infection in that case you should see your doctor immediately. ...Read more

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My arm hurts after the flu shot?

My arm hurts after the flu shot?

GOOD!!!!: That is a good thing! that means the shot is working! in fact, many shots have something called an adjuvant in them. An adjuvants job is only to dram more immune response to the site of the shot. Immune response = swelling, redness, pain and itching. The flu shot is the same. So, congrats, your shot worked! cellulitis after shots is rare, but if red extends past a joint or you have pus get checked. ...Read more

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Pain in upper left arm after the flu shot. How long it lasts?

Pain in upper left arm after the flu shot. How long it lasts?

1-2 days: Local adverse reactions like soreness, swelling and redness usually begin soon after the shot and last 1-2 days. ...Read more

Dr. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more


Arm Pain (Definition)

Arm pain can mean many things. See a hand or ...Read more