<s>[INST] my son has a lump on his neck he is 2 years old!!it is on the right side below his jawline between his ear and bottom of neck!!it a hard lump bout size of a pea which is movable but it has a hardening all around it which seems to be alot bigger what do you think this may be? should i be worried? [/INST] dear, parent this seems to be an inflammed lymph node. this needs to be treated with an antibiotic as amoxiclav 457 mg every 12 hours for 5 days </s>