Swollen lymph nodes behind the ear

In people's lives, people often suffer from colds or other infections, and there can be nodules like glass bulbs in the neck, behind the ears, under the axilla, or in the groin, localized swelling and tenderness, which is hard, which is called lymphadenitis. Swollen lymph nodes behind the ear is one of the common diseases in children, and the causes are mostly Staphylococcus aureus and hemolytic streptococcus.