Measles, mumps, and rubella vaccine

5. What if there is a moderate or severe reaction?

What should I look for?
Any unusual conditions, such as a serious allergic reaction, high fever or behavior changes. Signs of a serious allergic reaction include difficulty breathing, hoarseness or wheezing, hives, paleness, weakness, a fast heart beat or dizziness within a few minutes to a few hours after the shot. A high fever or seizure, if it occurs, would happen 1 or 2 weeks after the shot.

What should I do?

  • Call a doctor or get the person to a doctor right away.
  • Tell your doctor what happened, the date and time it happened, and when the vaccination was given.
  • Ask your doctor, nurse, or health department to file a Vaccine Adverse Event Reporting System (VAERS) form, or call VAERS yourself at 1-800-822-7967.

6. The National Vaccine Injury Compensation Program

In the rare event that you or your child has a serious reaction to a vaccine, a federal program has been created to help you pay for the care of those who have been harmed.

For details about the National Vaccine Injury Compensation Program, call 1-800-338-2382 or visit the program's website at http://www.hrsa.gov/bhpr/vicp

7. How can I learn more?

  • Ask your doctor or nurse. They can give you the vaccine package insert or suggest other sources of information.
  • Call your local or state health department's immunization program.
  • Contact the Centers for Disease Control and Prevention (CDC):
    • Call 1-800-232-2522 (English)
    • Call 1-800-232-0233 (Español)
    • Visit the National Immunization Program's website at http://www.cdc.gov/nip

U.S. DEPARTMENT OF HEALTH & HUMAN SERVICES
Centers for Disease Control and Prevention
National Immunization Program
Vaccine Information Statement
MMR (12/16/98) 42 U.S.C. § 300aa-26
Source: The Centers for Disease Control and Prevention http://www.cdc.gov

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