Sacral dimple is sore and irritated, sometimes itchy, should this be checked out?

See Your Doctor: You have a "sacral dimple" which is "sore and irritated, sometimes itchy". Sacral dimples are pits or sinuses just above the buttock crease. They can be a simple pit in the skin or provide an opening through the skin to the spinal cord such as in a condition called spina bifida. Debris can collect inside and become irritated or infected. See your doctor for correct diagnosis and treatment.