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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

Dr. Heidi Fowler
1,823 doctors shared insights

Flu (Definition)

Flu is also known as Influenza. Influenza (aka "flu") is a contagious respiratory viral illness that can cause mild to severe illness including death. There is treatment available to decrease symptoms, but it is better to prevent the flu is by getting ...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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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

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Is it normal to have pain at the injection sight on my arm after a flu shot that radiates towards the upper back?

Is it normal to have pain at the injection sight on my arm after a flu shot that radiates towards the upper back?

No: It may be from irritation to a nerve ending from the shot. If so it should go away after a few days. It is more likely to be unrelated muscle strain. ...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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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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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?

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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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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Flu Shot (Definition)

It is the trivalent influenza vaccine which contains purified inactivated antigens against viral strains from a ...Read more


Arm Pain (Definition)

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