Toenails grow into flesh. What's going on?

If the nail only grows into the flesh, there is no side nail groove redness, pain, suppuration and other symptoms belong to ingrown nail. If accompanied by obvious redness, pain belongs to onychia, can be identified by blood routine, bacterial smear and other examinations. If diagnosed as onychia, can be applied erythromycin ointment, has pus, can do longitudinal incision drainage, if necessary, nail extraction.