What should you know about kneecap keeps dislocating?

The patella normally glides in a groove at the front of the knee. A dislocation can stretch supporting tissue, making later slipping more likely during turning, stepping, or sport. Some people notice pain, swelling, a visible shift, or a feeling that the knee will give way. Recurrent episodes may also irritate the joint surface. The pattern does not identify one cause by itself; an examination can assess leg alignment, flexibility, muscle control, and signs of a patellar dislocation.

Stop the movement that triggered the episode and keep the knee in a comfortable position. Do not try to force the kneecap back into place yourself. A temporary knee brace may be recommended after assessment, and physiotherapy can work on strength, balance, and controlled tracking. Until reviewed, avoid pivoting, deep squats, and activities that repeatedly provoke slipping. If episodes continue despite rehabilitation, ask whether a procedure such as MPFL reconstruction is appropriate for your anatomy and history.

Seek urgent care if the kneecap is visibly out of place, the knee is locked, swelling is sudden and marked, or you cannot stand or walk. Numbness, a pale or cold foot, severe pain, or an open injury also needs immediate attention. A knee that repeatedly gives way should be assessed soon even when it returns to position, because repeated instability can cause additional damage.

Ask what is making the kneecap unstable, whether imaging is needed, and which movements to avoid while healing. Discuss the role and fit of a brace, the goals of physiotherapy, and when surgery should be considered if episodes persist.