What could be cause of sudden hip bone pain? The outer side bone 90° from where thigh-groin connect. Severe pain w.bent leg, standing & esp. Rest. 27f

Trochanteric bursa. If the pain is on the outer bony prominence of the hip, it may be from underlying trochanteric bursitis, an inflammation of the bursa overlying the lateral edge of the femur. NSAIDs, ice, rest, stretching, Physical therapy may help. a thorough orthopaedic examination and likely X-rays will help formulate your definitive diagnosis and treatment plan.