![]() ![]() pain inside the ear, especially when touching the earlobe.It can sometimes cause the lymph nodes around the ear to swell. Otitis externa, or swimmer’s ear, is a condition that causes inflammation, irritation, or an infection of the ear canal. Share on Pinterest Possible causes of swollen preauricular lymph nodes include otitis externa, salivary gland infections, or viral conjunctivitis. Learn more about the causes, types, and symptoms of salivary gland infections here. Risk factors for these types of infection include: Salivary gland infections are usually bacterial. redness on the side of the face or upper neck.a squeezing pain in the mouth or face, especially when eating.swelling in front of the ears, below the jaw, or on the floor of the mouth. ![]() Other possible symptoms of a salivary gland infection include: Infections of the parotid glands can cause swelling of the PLNs. The parotid glands are a type of large salivary gland, and they sit over the upper jaw, one in front of each ear. The following are potential causes of swelling in the PLNs: Salivary gland infections Certain infections, diseases, and medications can cause this type of swelling. Generalized lymphadenopathy is swelling in multiple lymph nodes throughout the body. Localized lymphadenopathy happens when there is a problem in nearby tissues. The swelling usually signals a problem somewhere in the body.ĭoctors use the term localized lymphadenopathy to refer to swelling in a single lymph node or a small cluster of lymph nodes, such as the PLNs. Sometimes, a lymph node or multiple lymph nodes may swell as they work hard to remove harmful substances from the lymph fluid. Most healthy lymph nodes are so small that a person is unable to feel them. ![]()
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