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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. ...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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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. ...Read more

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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. ...Read more

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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. ...Read more

Dr. Jay Park Dr. Park
1 doctor agreed:
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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. ...Read more

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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 ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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 ...Read more

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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. ...Read more

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The joints in my arm ache terribly after flu shot to the point of tears, why and for how long will it last?

The joints in my arm ache terribly after flu shot to the point of tears, why and for how long will it last?

Should be temporary!: Since the flu vaccine may be the one with attenuated virus, that's weakened, it still can give you symptoms that are similar to a low grade flu without lasting long at all. However, you need to take it easy. The liquid injected displaces the skin/soft tissue until it's reabsorbed into your system. If there's a bruise there, or becomes hot, inflamed, call your doctor for a follow up visit to check. ...Read more

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Sore under arm after flu vaccine in same arm it was administered to?

Sore under arm after flu vaccine in same arm it was administered to?

Reaction to vaccine: Not unusual. As long as this gets better and disappears within a few days you should be fine. This is probably a lymph node enlarging in reaction to the vaccine stimulus, and doing its job appropriately. If it does not get better or seems worse then get to a doctor ASAP. ...Read more

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I did a flu vaccine and I can't sleep because the arm is sore. What should I do?

I did a flu vaccine and I can't sleep because the arm is sore. What should I do?

Tylenol, (acetaminophen) ice: Take an over-the-counter pain reliever like tylenol (acetaminophen) and right before going to bed apply ice wrapped in a towel on your arm (a bag of frozen peas works well) for about 10 minutes. The pain shouldn't last more than a day or two. ...Read more

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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

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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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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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Can the flu shot make you feel sick or sore after after you get it?

Can the flu shot make you feel sick or sore after after you get it?

It can: A small percentage of individuals who receive the flu vaccine will develop a mild flu like illness lasting 2 or 3 days. ...Read more

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I received the flu shot friday morning and my arm is still swollen, red and itchy should I be concerned?

I received the flu shot friday morning and my arm is still swollen, red and itchy should I be concerned?

Allergy: To the base or carrier of the medicine component itself is possible. If the area becomes swollen like infected, you get fever, it is painful, the possibility of infection in the injection site is possible. You can use antihistamine and cold compress to the are for now and observe. ...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?

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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Are redness and swelling and pain normal for the area of a flu shot? I got mine yesterday and I can hardly move my arm.

Redness yes: BUT to the degree of "can hardly move my arm" is not usual for flu shot
without an exam, I can only give general information, and local soreness is the number one side effect of the shots. Generally lasts under a day. Heating pad resolves
BUT
local infection can also occur and is serious. Gets worse over time. Heating pad doesn't help. ...Read more

Dr. Oscar Novick
21 Doctors shared insights

Sore Arm (Definition)

Sore arm = ...Read more