Infected or Allergic to metal bar?

So i got my belly button pierced around two weeks ago, and for about 4 days it’s been super itchy around it… im cleaning it multiple times a day with bactine (i included a picture.) I don’t know how it could be infected so i’m wondering if i’m allergic to the metal bar…. what do y’all think? (i’m also cleaning it with salt water now.)(it also does not hurt at all to move it, it’s not sore)

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