Please type your query here. Since this query is directed to our panel of specialists and super-specialists, please mention youMy 7 month old daughter has Swollen lymph nodes behind left ear less than 1 cm Since birth,yesterday cbc( high lymphocytes (8)and normal A platelet count. (Flu Shot )3 days befor test. the doctor said Swollen lymph node behind ear usually occurs as a response to any kind of localized or generalized infection of body r problem in as much detail as possible. Do not forget to highlight your Age, Gender, Medical History and Treatment History of the problem you are facing.