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Hello I'm Dr Chip
This sounds like it's now become a boil with a collection of pus inside and unless that either drains on its own or is lanced and drained by a doctor antibiotics alone may not be sufficient to eradicate the infection
It now sounds as though you may be becoming septic from this.
You need to see the NP again immediately to have this lanced
Please let me know if you need any more information
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