Butt up below the waist pain is mainly associated with gluteal myofasciitis, gluteal epithelial neuritis, sacroiliac arthritis and other causes.
1. gluteal myofasciitis: it is a chronic aseptic inflammation of the fascia with edema, exudation and fibrous deformation, which is often caused by mental stress, cold, dampness, chronic strain and so on.
2. Gluteal epithelial neuritis: mainly pain and numbness occur in the area innervated by the gluteal epithelial nerve. When lumbosacral sprain, wind and cold stimulation, local soft tissue congestion, edema, etc., the symptoms can be aggravated.
3. Sacroiliac arthritis: unilateral or bilateral inflammatory reaction of sacroiliac joints due to certain diseases, age, heredity and other factors, mainly manifested as lower back pain, morning stiffness, joint mobility disorders and other manifestations.
Besides, there are other reasons such as ankylosing spondylitis and lumbosacral tumors, which can cause lumbosacral pain, if the pain is not relieved, you should go to the hospital for examination in time.