Unspecified hip pain with no known cause may have a clear diagnosis once you are examined. But without a more in-depth history, some clinical tests to see what’s involved, and maybe some imaging studies, it’s difficult to say what’s going on.
With involvement in two different sports activities, there could be microtrauma from repetitive actions. The hip joint itself could be affected but more likely the soft tissues around the hip (the hip capsule, other ligaments, labrum) are generating some discomfort.
The best thing to do is seek professional medical help. Your primary care physician is a good place to start. A few simple tests and perhaps an X-ray may be all that’s needed. Or your physician may refer you to an orthopedic or sports medicine physician.
The specialist will conduct more specific tests and possibly order some additional imaging studies to inspect the hip anatomy. The presence of any deformities, tears, or other structural changes that might account for your symptoms will be noted. CT scans show any loose fragments of bone or cartilage inside the joint. Fractures of the acetabulum (hip socket) also show up on CT scans.
Early examination and diagnosis is always advised. Waiting too long could make a simple problem more complex over time.