March 18, 2026

    Hip Pain — Common Causes in Adults

    Author: Dr. Alexandru Grecu — Senior Orthopedic and Trauma Surgeon

    Medically reviewed by Dr. Alexandru Florian Grecu, Senior Orthopedic Surgeon · Published: March 18, 2026 · Updated: 2 mai 2026

    "My Hip Hurts"—But Where Exactly?

    Groin pain (anterior)—suggests an intra-articular problem: hip osteoarthritis, avascular necrosis, or femoroacetabular impingement.

    Lateral pain (over the greater trochanter)—suggests trochanteric bursitis or gluteal tendinopathy.

    Posterior pain (in the buttock)—could be piriformis syndrome or lumbar radiculopathy.

    Groin pain that radiates to the knee—classic for hip osteoarthritis.

    Common Causes

    Hip osteoarthritis—the most common cause in adults over 50. → The Complete Guide to Hip Osteoarthritis

    Trochanteric bursitis—a common cause of lateral pain. Often resolves without surgery.

    Avascular necrosis of the femoral head—loss of blood supply. Advanced stages require a hip replacement. → Hip Replacement

    Femoroacetabular impingement (FAI)—an abnormal anatomical configuration, common in active young people.

    Stress fracture—common in runners. Requires an MRI.

    Referred pain from the lumbar spine—a herniated disc can mimic a hip problem.

    Conversely, back pain can actually come from the hip — a common confusion, clarified by a clinical examination and an X-ray.

    When to See an Orthopedic Surgeon

    • Pain that persists for more than 2-3 weeks
    • Pain that limits walking or daily activities
    • A progressive limp
    • Night pain
    • Significant stiffness
    • Sudden, severe pain after a fall (emergency)

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