Disorders of the salivary glands include obstruction, infection, secondary infection from lymph node enlargement, and tumors. Conditions that can affect the salivary glands include autoimmune diseases, such as HIV, which attack the salivary glands and cause them to enlarge. Others are rheumatoid arthritis, which can cause dry mouth, and diabetes, which may result in swelling and enlargement. There are surgical procedures available to treat salivary gland blockages as well as other salivary gland conditions.

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