Throat pain in right corner of throat.?

Hi doctor I have pain in right side of throat and little pain in ear too. Since few days while I cough I get phelgm white color Every cough will give phelgm from throat. When I open mouth and see I will swelling on back of throat only on right side. What it could be? Also I'm Taking alpurinol for high uric acid. I have lower stomach pain too some times white discharge Feels back pain Joint pains and swelling in middle finger Numbness in feet while waking up Overall feeling weak Before diagnosing uric acid I was suffering from white spots on tonsils Took antibiotics every month and it stopped last month and tonsils are fine now. Again phelgm and pain started suggest please Also let me know which doctor to consult When can I stop uric acid tablets ? Why swelling even after taking alpurinol. Help me plz I have 2 kids unable to take care of them due to this problems.