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Doctor insights on: Sore Arm After Flu Shot

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How long is a person's arm sore after a flu shot?

How long is a person's arm sore after a flu shot?

For a short time: After the flu shot, the arm may be sore from the needle entering the body and there maybe heaviness at the injection site. Usually the injection site remains sore for 12-24 hours and then the patient starts to feel more normal.

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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Arm is sore month after flu shot, seems to be muscle related only hurts when I position my arm a certain way. The shot felt different than prev years?

Arm is sore month after flu shot, seems to be muscle related only hurts when I position my arm a certain way. The shot felt different than prev years?

You are not alone: It seems there are many people with similar complaints - especially this year. If it continues or worsens, see you doctor for advice and for the record. Hopefully, it will improve and pass soon. This is certainly longer than expected. Best wishes.

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Why does my arm hurt after I get a flu shot? It feels sore.

Why does my arm hurt after I get a flu shot? It feels sore.

Expected: Often people will experience soreness in the arm that received the flu shot as the body responds to the foreign material and this is normal as long as it doesn't last for more than a week.

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Is it normal to be extremely sore on the arm from a flu shot?

Is it normal to be extremely sore on the arm from a flu shot?

Yes.: This is a common side effect of a flu shot. On the cdc website it lists this as: -- soreness, redness, or swelling where the shot was given an icepack (or even heat) can help. Ibuprofen would be reasonable to take if it is hurting a lot. It typically gets better in 1-2 days after the shot.

Dr. Jay Park Dr. Park
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Got a flu shot and now my arm is sore. Is this an allergy?

Dr. Jay Park Dr. Park
1 doctor agreed:
Got a flu shot and now my arm is sore. Is this an allergy?

No: Soreness around the injection site would be a "normal" expected reaction. Ibuprofen, 1-2 doses, 6-8 hours apart should relieve the pain.

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Got a flu shot yesterday and my arm is hot and my muscle is sore and weak. Is this normal?

Got a flu shot yesterday and my arm is hot and my muscle is sore and weak. Is this normal?

Not for most: When you have what you describe it is usually because you have a sensitivity to something in the vaccine. I would check if the form of the vaccine you took had Latex and or preservative in it. Allergy to eggs could cause this. If just mild inflammation and sore muscle is not unusual. If not allergic to Aleve (naproxen) or the like take this plus cold compresses at the site. Infection is unlikely but possible

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Got flu shot a week ago. Every day I've had a headache along with stiff neck. My arm is also bruised and super sore.?

Flu shot: You should be seen by a doctor and assessed to be sure that you have not developed secondary infection at the vaccination site. It is not unusual to develop a day or two of mild symptoms of achiness, possibly headache. A week is too long and the arm should not be "super sore". Good luck.

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Sore skin on arm no other symptoms. 20 yr old female. Had a flu shot 2 weeks ago but feel fine otherwise.

Sore skin on arm no other symptoms. 20 yr old female. Had a flu shot 2 weeks ago but feel fine otherwise.

Umm, hard to say.: There is nothing specific about the skin you describe that gives us a clue as to what exactly is going on medically. Does the rash go away--or is it persistent? Is the skin itchy? ... Is it smooth or rough? Does it get worse or change colors after a hot shower? ...As you can see, there are too many questions unanswered; however, taking a wild guess this may be post-injection neuralgia. Ask your md.

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I got a flu shot & pneumonia shot on Wednesday. Onr of my arms is now red, hot, sore & puffy at injection site. The redness has grown to about 4x2.

I got a flu shot & pneumonia shot on Wednesday. Onr of my arms is now red, hot, sore & puffy at injection site. The redness has grown to about 4x2.

Flu shot: Sorry to hear about your arm. You must have someone take you to the nearest Emergency facility as soon as possible. If you can, please let me know what lead to your pain and what was done to properly treat it.

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Can left arm muscle pain be sign of heart attack? Woke up feeling like when you get arm soreness from flu shot, but been two weeks since flu shot

Can left arm muscle pain be sign of heart attack? Woke up feeling like when you get arm soreness from flu shot, but been two weeks since flu shot

Hard to say.: Did you sleep on your arm? . Could be musculoskeletal pain, can not exclude heart. Does it get worse with activity. Anything makes it better or worse? . What other risk factors you have. Depends on full history and exam. Please see an md.

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Had flu shot 3 days ago. Spot on arm still painful, swollen, red and hot. Still feeling unwell; fever, bodyaches, weakness and sore throat. Normal?

Had flu shot 3 days ago. Spot on arm still painful, swollen, red and hot. Still feeling unwell; fever, bodyaches, weakness and sore throat. Normal?

Not normal, not rare: These side effects, while not exactly "normal, " are also not uncommon. Hopefully they will disappear soon but the flu shot can rarely cause serious long-standing side effects. What is unfortunate is that a large body of research shows that flu shots are not particularly effective! See http://articles. Mercola. Com/sites/articles/archive/2010/11/01/flu-vaccine-and-its-side-effects. Aspx

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Tender, swollen, red, lymph node under arm. Opposite arm then received flu shot in 2 days ago. Related?

Very unlikely...: ...That this is related. But this does need to get checked out asap, inflamed lymph nodes are no joke.

Dr. Mark Diamond
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