I had sore throat 10 days back along with a small pus pocket in the center back of my throat.. had 2 days mild fever, muscle aches, cold and cough, heaviness of throat - all usual symptoms and it symptoms went off in 3 days.. but even after 10 days my pus pocket remains the same but no other symptoms. Kindly help in how long time it will be disappeared and what should I do for that.