Parotitis is inflammation in one or both of the parotid glands. These are two large salivary glands that are inside each cheek over the jaw in front of each ear.

Parotitis can be:

  • Acute—inflammation that resolves in a short period of time with or without treatment
  • Chronic—includes persistent inflammation or alternating periods of flare-ups and remission

Parotid Gland
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An inflamed parotid gland has several causes. These vary depending on whether the condition is acute or chronic. The most common causes include:

  • Bacterial infection
  • Mumps
  • Other viral infections
  • Blockage of saliva flow
  • Autoimmune diseases