Dear dr, Im having cavity in 1 teeth and getting pus from that teeth .in tat teeth a bulge will form If I poke tat pus will come. After tat it will be normal. After 1 or 2 weeks again tat bulge will form. Im planning to remove tat teeth. Is tat pus is because of cavity or it may leads to any problem. At tat time there will be head ache and jaw pain. Will tat pus spreads to other parts like face brain etc. Pls advice.