Pressing pain behind the left ear may be caused by lymphadenitis, sebaceous cyst, postauricular sulcus inflammation, mastoiditis, and so on.
1. Lymphadenitis: If the lymph nodes behind the left ear are inflamed, enlarged and painful due to acute infections such as acute tonsillitis and acute pharyngitis, the symptoms of pain when pressing behind the left ear may occur.
2. Sebaceous cysts: the sebaceous gland ducts behind the left ear are blocked and secretions are trapped to form cystic swellings, which may become red, swollen and painful when accompanied by infections, causing pain when pressed behind the left ear.
3. Posterior sulcus inflammation: the skin tissue behind the left ear is infected, inducing posterior sulcus inflammation, so there will be pressure pain behind the left ear.
4. mastoiditis: inflammation of the left mastoid caused by acute purulent disease of the mastoid bone, there is obvious pain, accompanied by redness and swelling and other symptoms, causing pain behind the left ear when pressed.
There may be other reasons for the pain behind the left ear, so it is recommended to consult a doctor to find out the cause of the problem and treat it accordingly.