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Doctor insights on: Muscle Pain After Flu Shot

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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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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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I have a fever range from 99.3-101.3 with headache, muscle ache and pain, sore throat, stomach pain it been goin on for 3 days had flu shot 9/25/2014?

I have a fever range from 99.3-101.3 with headache, muscle ache and pain, sore throat, stomach pain it been goin on for 3 days had flu shot 9/25/2014?

Other Virus: You probably have some other respiratory or entero virus infection, which are very common this time of year. You can let it run its course for 7-10 days with symptomatic, OTC meds, including Vit C and Zinc and good hydration. If still symptomatic, please get checked by your PMD. ...Read more

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Are muscle aches common after a flu shot?

Are muscle aches common after a flu shot?

Somewhat: About 5% of individuals who receive the flu vaccine will experience 3 or 4 days of a mild flu-like illness after the injection. ...Read more

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I got a flu shot. They were out of the one that goes into the muscle, they gave me the one under the skin. Is there a difference in efficacy?

I got a flu shot. They were out of the one that goes into the muscle, they gave me the one under the skin. Is there a difference in efficacy?

Possibly: Influenza vaccination, with bivalent split virus vaccine (a/new jersey/76 and a/victoria/75), compared the immunogenicity when vaccine was given by the subcutaneous and intradermal routes. For the a/victoria vaccine, the immunogenicity given intradermally seemed superior. For a/victoria/75 there was no difference. These differences, if real, are probably not clinically significant. ...Read more

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Muscle soreness after flu shot?

Muscle soreness after flu shot?

Common: It is common to have some muscle soreness after a flu vaccine. It is not serious and usually resolves in a day or so. You may take some Ibuprofen for pain if you wish. Contrary to common belief, you can not get the flu from the flu shot- it's a killed vaccine. ...Read more

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Please tell me, could a muscle become inflamed from a flu shot?

Please tell me, could a muscle become inflamed from a flu shot?

Local Reaction: Yes you can have a local reaction at the site of flu shot, and cause littlr redness, swelling and pain. But it is self limiting and goes away by itself in couple of days and does not happen to everybody. ...Read more

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Are muscle aches common after flu shot? Why?

Are muscle aches common after flu shot? Why?

Your vaccine at work: The flu vaccine is designed to create an immune response to flu components. The pain felt is associated by the cytokines (proteins serving as a communications device) produced by local and immune cells that can cause white blood cell localization and inflammation. This is normal and part of the process that is meant to protect you form the flu itself ...Read more

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I got my flu shot this year, but I've gotten sick and my symptoms include muscle aches and fever. Is it possible I have the flu?

Yes: Yes, it is possible. Ultimately the purpose for the flu shot is not to prevent the flu, rather it is to prevent you from dying from the flu or flu related illnesses. That said, the flu shot does reduce risk of getting the flu and often makes the bout less severe if you do get it. ...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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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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For the past 2 weeks I've been dealing with nausea, dizziness, my muscles has weakened, headaches, can't sleep. I've had my flu shot, what do I have?

For the past 2 weeks I've been dealing with nausea, dizziness, my muscles has weakened, headaches, can't sleep. I've had my flu shot, what do I have?

See a doctor: You might be having the flue.
having a flue shut will not protect you from all the flue strain.
first you have to make sure you are not pregnant.
then you might be dehydrated, with some electolytes abnormalities, that would cause the weakness, headache, and nausea.
so please see a doctor so you will be examined and evaluated and treated. ...Read more

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Upper back and collarbone/neck pain - pull a muscle working out/doing yoga? Pain from slumping over desk? Got a flu shot last week - pain from that?

Transient joint pain: A flu shot can provoke transient arthralgia (joint pain) and muscle achiness, especially when combined with working out. Any additive symptoms from the flu shot should subside uneventfully in several days. ...Read more

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My girlfriend has no fever but has severe muscle & joint aches & has thrown up. Does this sound like the flu it maybe poisoning? She had a flu shot.

My girlfriend has no fever but has severe muscle & joint aches & has thrown up. Does this sound like the flu it maybe poisoning? She had a flu shot.

Viral illness: This does sound like a viral illness. However it is difficult to tell if it is the flu. Persons with the flu usually have a moderate fever. Not likely food poisoning as that does not usually result in muscle and joint aches. ...Read more

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4 days ago (Sun) a mild pain started in my right side under the rib cage and slightly towards my back. It worsened over night and I saw Dr Monday who DX muscle spasm - also gave me a flu shot. Developed a fever w/chills on Tues evening and saw immediat

4 days ago (Sun) a mild pain started in my right side under the rib cage and slightly towards my back. It worsened over night and I saw Dr Monday who DX muscle spasm - also gave me a flu shot. Developed a fever w/chills on Tues evening and saw immediat

? Flu vax reaction: The original symptoms may have been muscle inflammation, gall bladder attack or inflammation/infection of the right lung. The fever and chills could have been a reaction to the flu shot but infection in lung or gall bladder must be considered depending on the appearance of other symptoms. Call your physician if symptoms persist or change. ...Read more

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Is the flu shot to blame for muscle spams in eye, legs and arms? Happened days after shot.

Is the flu shot to blame for muscle spams in eye, legs and arms? Happened days after shot.

Yes, possibly: The interferons produced by the body in response to the flu vaccine can cause generalized body pain, flu like symptoms. ...Read more

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Thigh muscles ache/twitch after flu shot 4 days ago. Took blood labs no abnormalities. Neuro test reflexes/strength successfully. Told to rest legs and drink plenty of fluids, in 2 weeks emg. Opinions?

Thigh muscles ache/twitch after flu shot 4 days ago. Took blood labs no abnormalities. Neuro test reflexes/strength successfully. Told to rest legs and drink plenty of fluids, in 2 weeks emg. Opinions?

Sounds accurate: Cannot imagine a neurologic reaction to flu vaccine except that there have been some cases of guillion-barre syndrome (a form of ascending paralysis) associated rarely with vaccinations. The recommendation you received is good as long as you follow up quickly if you are not getting better and definitely if you develop any other symptoms. ...Read more

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I have been vomiting and diarrhea a mild fever of 100.8 and body and muscle pains could I have the flu even though I had a flu shot this year?

I have been vomiting and diarrhea a mild fever of 100.8 and body and muscle pains could I have the flu even though I had a flu shot this year?

Possible: Flu shots are terrific, but they do not cover 100% of the flu strains. Also, when did you get the shot? It takes about two weeks for your body to build up full immunity to the strains it does cover. You could also have a really bad cold or a number of other viral or occasionally bacterial infections that should be self limited. If you do not start to get better after a cple days though, see a dr. ...Read more

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Is it bad to workout the same day I got a flu vaccination? Isn't moving the muscle around a good thing?

Is it bad to workout the same day I got a flu vaccination? Isn't moving the muscle around a good thing?

No. Continue reg w/o: I see no reason to change your activity over a flu shot.I have gotten one yearly & had no issues working out the same day. Any work your body is doing recognizing the vaccine & developing immunity is done in the background by your immune system. If you do have dizziness or fever as can occur in some, a day to recoup would be reasonable. ...Read more

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Is muscle twitching a side effect of the flu vaccination?

Is muscle twitching a side effect of the flu vaccination?

Not usually.: But, the vaccine injected into the upper arm muscle can cause some spasms which i'd say are not dangerous. ...Read more

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I have flu and muscle pain?

I have flu and muscle pain?

Yes: Flu is well associated with diffuse muscle aches, but so are most viral infections. ...Read more

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I often feel tired and lethargic since 15 yrs ago, after a strong flu. I am now 150 kg. I constantly suffer from joint and muscle pain. Pls advice.

I often feel tired and lethargic since 15 yrs ago, after a strong flu. I am now 150 kg. I constantly suffer from joint and muscle pain. Pls advice.

Get a check up: Fatigue is a very non-specific symptom. See you pcp for a general check up and screening labs. You could have anything from hypothyroidism to fibromyalgia/depression. Start losing weight by a lower calorie diet and try to walk for thirty minutes daily. ...Read more

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14yrold extreme muscle pain everywhere esp in his legs. Worse everyday. Nonstop cough.1wk since flu symptoms. Athletic. Feels like he ran a marathon.

Likely viral cause: If the muscle pain correlates with the timing of his flu symptoms, the virus is likely causing the muscle pain. I would recommend he see his doctor for further evaluation to be sure, especially if he is having other cold symptoms. There are some tests that can be done to assess for flu and inflammation of the muscles. If viral, time is what will allow his symptoms to improve. ...Read more

Muscle (Definition)

It is a body tissue that has the ability to contract. It shortens and generates force. It relaxes and returns to its original length. Muscles move joints, stabilize the body, move air and food through the organs, act as valves for bladder, bowel and other organs. They control movement of the eyes. They help us express ourselves by changing the shape of our ...Read more


Dr. Raj Upadya
954 Doctors shared insights

Muscle Pain (Definition)

Also known as myalgia, muscle pain is a result of overuse or stretching of the muscle. Muscle pain can occur either becuase of an infection or because of a mechanical injury. It can be acute, or chronic pain that ...Read more