Can you advise on pain at tip of the nose 6 months post-op?

I’m 6 months post op and feeling quite a sharp pain at the tip of the nose. I can feel some kind of suture or something hard where it hurts, I can also feel that foreign object at the tip on the surface of the skin of the nose. How long will this stitch take to disolve as it’s painful every time I touch the tip of the nose or blow my nose. I’m also getting slight pain on the bridge of the nose in the area in between the eyes, and will also get reoccurring spots in the same place, causing pain.