Ooh, don't pop it! I have a nose stud and a few ear piercings, I have never had problems with my nose piercing. But that's because of the regime my piercer gave me:
1 tsp rock salt+ half a cup of hot water, dab on the spot with a cotton bud, cleaning around the stud area to soften the dried pus, if the water gets cold on the bud, use another bud. Don't soak it, just dab. Do this or 2 minutes 3 times a day, especially after a bath.. If you can find calendula tincture (Calendula Q) its found in many pharmacies, dab that onto the area as well. Works like a charm. I've scratched at my nose stud so many times when it was new but never had problems.
I had a similar issue as yours though, when I got my ear cartilage pierced. I had pain for months! I would take meds but when I stopped them the pain and grossness would be back. In this case, i removed the piercing, let it heal and got another one later, which had no problems.. I hope I helped. :)
"You are forever responsible for what you have tamed."
Betta love: it's an international thing.
Azure, Sterling, you will be with me forever. Peaches, my crazy girl, I'll miss you the most.
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