1-year-10-month-old male baby has a small lump behind the ear, is it serious?

Patient's question:

No

Doctor's answer:

Hello, the package you mentioned should be swollen posterior auricular lymph nodes, which are often caused by colds and other conditions.
Hello, if the package you mentioned does not show redness, swelling, fluctuation, or fever, it should not be a serious issue and does not require special treatment. If there is redness and swelling, it may be necessary to take anti-inflammatory medications orally, such as Cefixime Granules, for treatment.