Hi. Thanks for your query. Read and understood your history and concerns. The gilty/ lump on the left side of the neck between throat and ear can be due to an infected lymph node, hence growing so fast. The infection and the fast growth can increase the pain at the places you have notified. I would advise you the following: To Consult a Doctor for clinical evaluation, examination, investigations of blood and to give you prescription based treatment of an antibiotic, anti-inflammatory and as required. This may settle the infection well. If there is no response within a few days, then further tests of ultrasonography and FNAC may be required. Complete the courses. If further tests indicate a specific disease, the treatment will be as per the diagnosis.