Complication of mumps

Common complications of mumps include:

• pain and swelling of the testicles (orchitis) – which affects 20% of all males who get mumps after puberty
• pain and swelling of the ovaries (oophoritis) – which affects 5% of all females who get mumps after puberty
• inflammation of the pancreas (pancreatitis) – which occurs in 5% of cases
• viral meningitis – which occurs in an estimated 1-10% of all cases.

Rare complication

• a serious brain infection (encephalitis), which occurs once in every 6,000 cases

permanent hearing loss, which occurs once in every 15,000 cases.