Depends on details: An in-person or video exam can help. Doctor can decide what is swollen and what the cause is. People do have many lymph nodes in the head and neck. They swell up whenever there is injury, infection, or inflammation in the head and neck, and they should shrink back down to their normal size (usually the size of a black-eyed pea or a small bean) a few weeks to a couple months after getting well.
Answered 12/1/2019
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