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Complications

By Mayo Clinic staff

Complications of mumps are potentially serious, but rare. These include:

  • Orchitis. This inflammatory condition causes swelling of one or both testicles. Orchitis is painful, but it rarely leads to sterility — the inability to father a child.
  • Pancreatitis. This is swelling of the pancreas. Signs and symptoms of pancreatitis include pain in the upper abdomen, nausea and vomiting.
  • Encephalitis. A viral infection, such as mumps, can lead to inflammation of the brain (encephalitis). Encephalitis can lead to neurological problems and become life-threatening. Although it's serious, encephalitis is a rare complication of mumps.
  • Meningitis. Meningitis is infection and inflammation of the membranes and fluid surrounding your brain and spinal cord. It can occur if the mumps virus spreads through your bloodstream to infect your central nervous system. Like encephalitis, meningitis is a rare complication of mumps.
  • Inflammation of the ovaries. Pain in the lower abdomen in women may be a symptom of this problem. Fertility doesn't seem to be affected.
  • Hearing loss. In rare cases, mumps can cause hearing loss, usually permanent, in one or both ears.
  • Miscarriage. Contracting mumps while you're pregnant, especially early on, can lead to miscarriage.

DS00125

May 3, 2008

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