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Doctor insights on: Why Does My Arm Hurt After Getting A Flu Shot

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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

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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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

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How long will my arm hurt after a flu shot? It's been a week and I can barely use my left arm.

How long will my arm hurt after a flu shot? It's been a week and I can barely use my left arm.

Pain after flu shot: This is not common to have pain lasting so long. You should report this to your doctor as a reaction to the flu shot and ask for advise. ...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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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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Got a flu shot yesterday. Arm hurts really bad from it. Any way to ease the pain or does it just have to go away on it's own?

Got a flu shot yesterday. Arm hurts really bad from it. Any way to ease the pain or does it just have to go away on it's own?

Painful flu shot: The flu shot can cause pain in the arm for a day or two. It will go away on its own, but you can also take any type of pain reliever for it. You could also try placing a cold pack over the site for maximum 15 minutes at a time several times a day. ...Read more

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I just got my flu shot last night in my arm, is it safe to go today and get a tattoo on the same arm in the same place?

I just got my flu shot last night in my arm, is it safe to go today and get a tattoo on the same arm in the same place?

Flu shot: Would recommend against this. First, it may destroy the vaccine material implanted in your tissues, and secondly it may introduce bacteria that stand a better chance of producing infection because of the trauma from the flu shot. Would wait at least a week before doing this. ...Read more

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Got a flu shot now my whole arm is numb and hurts so bad. No pain medication is working and I can't even move my arm. What's should I do?

Got a flu shot now my whole arm is numb and hurts so bad. No pain medication is working and I can't even move my arm. What's should I do?

Shot clinic: Please check in with the clinic where the injection was given. Adverse reactions are reportable. If you are not able to move your arm - it would be important to have this medically assessed. Take care. ...Read more

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Hi, I had a flu shot & that night I have a reaction with red dots on my back, chest and upper arm where I had the needle. It hurts and itches.

Hi, I had a flu shot & that night I have a reaction with red dots on my back, chest and upper arm where I had the needle. It hurts and itches.

Likely a reaction: Get the doctor that administerd it to check & verify. Could be either a reaction to a component or your body making a rare phenomenon.
Either way needs to be reported. ...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?

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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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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After getting a flu shot, the injection site swelled & was hot. It itched mildly. Now, 2 days after shot, I have a rash under my arms. Is this related?

After getting a flu shot, the injection site swelled & was hot. It itched mildly. Now, 2 days after shot, I have a rash under my arms. Is this related?

May be: The interval between your flu vaccine and the rash may suggest that the rash is due to the vaccine. However, it may be a coincidence. If it does not bother you, I would wait. If it itches, would take an antihistamine such as cetirizine, Loratadine or fexofenadine (all available otc). If no better if a few days, see your physician. ...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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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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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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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

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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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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I received a flu shot 4 weeks ago and I can hardly lift my arm over my head?

I received a flu shot 4 weeks ago and I can hardly lift my arm over my head?

Muscle tenderness...: Mild problems with flu vaccine:
*soreness, redness, or swelling where the shot was given. Hoarseness. Sore, red or itchy eyes; cough. Fever. Aches, headache, itching, fatigue. If these problems occur, they usually begin soon after the shot and last 1-2 days to a week. You have a rare muscle aches and pain with decrease arm movement-it will improve! ...Read more

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Constant pain upper left arm. Had flu shot 3 weeks ago could this still cause pain?

Constant pain upper left arm. Had flu shot 3 weeks ago could this still cause pain?

Flu shots: If the person administering the shot hit the muscle tendon and injected into it, the pain may persist for some time. The injectate itself causes inflammation within the muscle too. ...Read more

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Got the standard flu shot today and had some slight raised redness. What is really weird is that I also have the same reaction in the opposite arm??

Vaccine reaction: It's normal to have mild local reactions on the same arm where you receive flu vaccine. If there are red spots elsewhere on your body, it is possible that you are having an allergic reaction to your vaccine, and I would contact your doctor, and you can try a dose of Benadryl (diphenhydramine) to see if that helps the rash. If you are short of break or have throat swelling you should go to the closest ER. ...Read more

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I'm a new nurse I gave an IM flu shot today and the patient complained of tingling and slight numbness down the same arm What do you thmean nk happened?

I'm a new nurse I gave an IM flu shot today and the patient complained of tingling and slight numbness down the same arm What do you thmean nk happened?

You probably came: Close to/contacted a little nerve with your needle. There is really no way to avoid this. Injecting the needle firmly and quickly may allow nerves/tiny vessels in peril to slide away from the needle rather than being pierced by it. It is a temporary phenomenon and will not result in permanent harm. Don't let it discourage you as your begin your helping career of "jabs." ...Read more

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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

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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