Behind the left ear, near the earlobe, there is a bag, which hurts a little when pressed. Nausea and retching will occur when the weather changes or when brushing your teeth. .

Hello, according to what you said, the initial consideration is caused by local lymphadenitis, and we should actively treat it after detailed examination. First, it is necessary to carefully check whether there is chronic infection in the ear canal and throat, actively control it with amoxicillin and roxithromycin, and combine local hot compress with diclofenac to relieve pain.

Guiding opinions:

Drink plenty of water every day, pay attention to rest, avoid bad stimulation, supplement vitamin C, and follow the guidance of clinicians if you can get better.