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MMR Vaccine for Adults

What are the risks and side effects of the MMR vaccine?

For most adults, the benefits of the MMR vaccine outweigh the relatively rare risks. A few people develop a short-term mild rash, fever, swollen glands, or pain and stiffness in the joints after being vaccinated. More serious, and more rare, side effects include a temporary low blood platelet count or serious allergic reaction. Call your doctor if you have difficulty breathing, dizziness, rapid heart beat, hives, weakness, or other unusual signs after vaccination.

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WebMD Medical Reference

Reviewed by David T. Derrer, MD on March 21, 2013

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