Chronic si and hip joint pain with popping/cracking. normal xray and mri. (ho hip dysplasia as infant) pain is getting worse. what can cause this?

OSTEOARTHRITIS: Children who have hip dysplasia commonly develop osteoarthritis in the hips at an early age. This needs to be treated with medicine and/or with physical therapy. Despite aggressive medical management, young adults with your history may ultimate require total hip replacements. You need to see you physician to set up treatment

Normal MRI: If indeed a recent MRi was normal the cause of the pain might be in the lower spine or ischial tuberosity, causing what we call referred pain.

Hip Pain: Hip and SI joint pain have a great deal of overlap. There are many things that can cause these symptoms, such as bone deformities, muscle and ligament injuries, as well as bursal abnormalities. If there is a history of developmental hip problems, further evaluation would be beneficial to make sure there is no lasting effects.