December 18


Side‌ ‌Effects‌ ‌of‌ ‌Flu‌ ‌Shots‌

By Will Robins

December 18, 2018

Flu Vaccine Attorney

We are officially in the middle of flu season. People across the country have either received the flu vaccine or are planning to do so shortly. The vaccine is administered to people in the hopes that it will keep them and their loved ones flu free this season. While the flu vaccine has been established as a relatively safe and effective option for the prevention of the flu virus, it is not without its risks. The Center for Disease Control and Prevention (CDC) cautions that the influenza vaccine may have some potentially unpleasant side effects. While most are not serious nor do they last long, others can be severe.

Side Effects of Flu Shots

The CDC reports that side effects of flu shots may include:

  • Soreness or swelling at the injection site
  • Redness and warmth at the injection site
  • Coughing
  • Hoarseness
  • Fever
  • Muscle aches and pain
  • Headache
  • Fatigue
  • Nasal congestion
  • Runny nose


In more extreme cases, a fever developed due to a flu shot may cause seizures. Most common side effects of the flu shot are, however, relatively mild. The side effects usually present themselves within a day of the injection being administered and are gone in around two days.

There are however, much more severe side effects to flu shots. While they may not be as common as the above side effects, they do happen and they do have devastating consequences for those who suffer from them. For instance, shoulder injury such as SIRVA may result from an influenza vaccine injection. SIRVA is a medical term applicable to a shoulder injury caused by a vaccine. It is generally the result of the vaccine being administered too high in the deltoid muscle that is located at the top of the arm or at the shoulder.

Some people suffer from Guillain-Barre Syndrome (GBS) as a result of a flu shot. GBS is a neurologic condition. It results in weakness and paralysis throughout the body. GBS effects the peripheral nervous system that is found in the torso and limbs. The peripheral nervous system connects the central nervous system to the extremities, including arms and legs, and internal organs. GBS symptoms will often begin in the legs and move up through the body towards the head and arms. Those who suffer from GBS may have facial paralysis and respiratory problems. Vision problems are also common symptoms of GBS. Furthermore, in some cases, a flu vaccine may cause Chronic Inflammatory Demyelinating Polyneuropathy (CIDIP) which is the chronic form of GBS.


In some cases, a person who has been administered a flu shot will experience anaphylaxis, which is an allergic reaction. An allergic reaction to a flue shot may be life threatening. In most cases, however, the reaction will be more mild, but still uncomfortable. The allergic reaction may cause the person to develop hives or swelling of the tongue and throat. A person may experience shortness of breath or hoarseness. Spasms, abdominal pain, and vomiting are also among the potential symptoms of an allergic reaction.


Parsonage-Turner Syndrome (PTS) is also a potential flu shot side effect. PTS is the inflammation of the nerves in the brachial plexus. The brachial plexus is the nerve system that runs through the neck, armpit, and out through the arms. The inflammation of the brachial plexus nerves may cause persistent and severe shoulder pain. Additionally, PTS may cause numbness and weakness of the arm. Numbness and weakness in the shoulder may also occur. These symptoms are due to nerve damage.

Flu Vaccine Attorney

If you have received a flu shot that resulted in an injury, illness, or adverse reaction, you may qualify for legal compensation for the harm you have suffered. Consult with a flu vaccine attorney as soon as possible to discuss your options.

Will Robins

About the author

Husband and Father, Will focuses on family first under God. If you are searching for an engaged audience, the kind we all dream of, then you have found the right website. Will uses a personality with amazing salesmanship in his teaching. He focuses on how successful websites have grown their viewers and engagement.

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