A <span style = 'background-color: #dae8f4'>lump</span>
behind the ear could be due to throat
, insect bite, accidental trauma to the site, ear infection
Lymph nodes in the region
are known as post auricular lymph nodes and
can enlarge secon
dary to infection
You could try some warm compresses at the site, warm saline gargles for his sore throat and
some oral antihistamine medication
s for the swelling.
This could be mastoiditis, cervical lymphadenopathy or parotitis.