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What are some serious allergic reactions that can happen from meningococcal vaccines?

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Severe allergic reactions may happen within minutes or hours of having the vaccination. These are signs of an allergic reaction:

If these signs appear, your child should get to a doctor right away, describe the reaction, and report it by filing a Vaccine Adverse Event Reporting System (VAERS) form. The doctor or health department can help with this.

Guillain-Barre syndrome is a serious nervous system disorder that has shown up in some people who have received MCV4. It's rare that doctors are not sure that there is a clear link to the vaccine.

  • Trouble breathing
  • Hoarseness or wheezing
  • Hives
  • Paleness
  • Weakness
  • Fast heartbeat or dizziness

SOURCES:

Pediatrics , published online Feb. 1, 2011.

National Meningitis Association: "About Meningococcal Disease."

CDC: "Meningococcal Vaccines: What You Need to Know," "Meningococcal Vaccination."

National Network for Immunization Information: "Important Facts for Parents to Know About the Meningococcal Vaccine." 

National Network for Immunization Information: "Vaccine Information: Meningococcal Disease," "Frequently Asked Questions about the Meningococcal Vaccine."

Reviewed by Renee A. Alli on August 11, 2017

SOURCES:

Pediatrics , published online Feb. 1, 2011.

National Meningitis Association: "About Meningococcal Disease."

CDC: "Meningococcal Vaccines: What You Need to Know," "Meningococcal Vaccination."

National Network for Immunization Information: "Important Facts for Parents to Know About the Meningococcal Vaccine." 

National Network for Immunization Information: "Vaccine Information: Meningococcal Disease," "Frequently Asked Questions about the Meningococcal Vaccine."

Reviewed by Renee A. Alli on August 11, 2017

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