Harmful Side Effects of the Flu Vaccine

Harmful Side Effects of the Flu Vaccine
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The flu vaccine is a vaccination intended to prevent the seasonal flu. The flu, or influenza, is a highly contagious viral illness that is spread easily through person-to-person contact. The flu shot is recommended at the beginning of or during peak flu season, which runs from September through the winter months. Children older than 6-months of age, pregnant women, the elderly, and those who are immuno-compromised are strongly recommended to receive the influenza shot annually. There are some side effects associated with the flu vaccine.

Injection Site Reaction

According to the U.S. Centers for Disease Control and Prevention, or CDC, at least half of all people who receive this vaccination will experience mild side effects, such as pain or redness where the injection was given. Patients may also develop mild swelling or a small hard lump at or around the site of injection. The application of a cold compress may help to relieve swelling and discomfort of the affected area. These side effects should diminish within several days. Patients should consult their doctor if pain and soreness become bothersome. He may recommend the use of an over-the-counter pain reliever such as acetaminophen or ibuprofen for the relief of pain and discomfort.

Flu-like Symptoms

Patients may experience flu-like symptoms following the influenza vaccine. Symptoms can include fever, itchy eyes, chills, hoarseness, cough and muscle aches. Less than 1 percent of vaccine recipients develop symptoms such as fever, chills and muscle aches for one to two days following the vaccination, reports Vaccineinformation.org. Severe flu-like symptoms should be brought to the attention of a physician.

Serious Side Effects

In rare cases, a serious side effect may occur following vaccination with the influenza vaccine. People who are allergic to chicken eggs are at higher risk for developing an allergic reaction and should not receive this vaccine. According to the CDC, additional signs and symptoms of a severe reaction can include high fever, behavior changes, difficult breathing, hoarseness or wheezing, hives, paleness, weakness, a fast heart beat or dizziness. Parents who are concerned about the possible side effects associated with this vaccination should consult a physician for additional information.

References

Article reviewed by Libby Swope Wiersema Last updated on: Jun 7, 2010

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