My cut on my finger is not healing.?

I cut my finger 3 weeks ago and it still hurts. It looks like it is not healing.....or at least it isn't healing very fast. I went to the doctor and got antibiotics, but they didn't seem to help much. I am wondering if it is the location of the cut. It is right on a finger joint. Can this make a... show more I cut my finger 3 weeks ago and it still hurts. It looks like it is not healing.....or at least it isn't healing very fast. I went to the doctor and got antibiotics, but they didn't seem to help much. I am wondering if it is the location of the cut. It is right on a finger joint. Can this make a difference?
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