Patellar dislocation (knee cap dislocation)

About Patellar dislocation (knee cap dislocation)

The knee cap usually slips sideways to the outside of the knee. Dislocated knee caps most often occur in women. It is usually a result of sudden direction changes while running. It may also occur as a direct result of injury.

Symptoms

Knee cap (patella) is displaced to the outside of the knee, knee swelling, knee pain and tenderness, `sloppy` knee cap (able to move the knee cap excessively from right to left).

Tests & Diagnostics

A history and physical exam will be performed. X-rays are done to rule out a fracture.

Common tests: X-ray.

Path 2 — Over-the-Counter Options

OTC sleep aids and supportive treatments

Path 3 — Prescription Options

Prescription medications

Conventional treatment summary

Treatment includes knee immobilization for 3-4 weeks. Physical therapy is done to build up the strength of the knee joint. Unstable joints may require surgery.

Medical specialties

Orthopedic Surgery

This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of Patellar dislocation (knee cap dislocation).