so uhh how do i heal my belly piercing. is there even a way??

i got my belly pierced like 2-3 months ago & i have no idea what's been happening. the middle skin, a hole spawned that's bleeding sometimes & pus is coming out & the worst part is. the bar comes out of the hole. i did all the healing procedures (considering i have 16 other piercings, all over) i've never EVER had such a horrible problem with my piercings this horrible. someone help me. i would post the pick but it would get taken down