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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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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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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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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 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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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

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. Heidi Fowler
1,882 doctors shared insights

Flu (Definition)

The flu, otherwise known as influenza, is a viral infection of the nose and throat. Symptoms of influenza include fever, chills, runny nose, muscle aches, fatigue, malaise, headaches, and coughing. Children with the flu often have nausea and vomiting as well. Some strains of the flu are preventable by getting a yearly flu ...Read more