What can I use on an irritated nose piercing?

I changed my stud to a hoop 2 weeks ago and I ended up getting the piercing bump a few days later. I went back a week and a half later and I told the piercer to change it back to a stud. She did it with no problem but the bump is bleeding still and there’s yellow-ish pus coming from the piercing hole. I use saline solution but I’m not seeing much of a difference...
What can I use on an irritated nose piercing?
What can I use on an irritated nose piercing?
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