I seem to have mucus in my nose that keeps hardening to the point it makes my nose soar. At first, I thought they were scablike because they would stick to the skin with a little resistance, then give way when I started picking at them. But, then they keep coming back...They get a little bloody, but it is mostly from when I picked them out before that the blood lingered and hardened to this point. Is this some kind of nasal infection?